:Iran–United Kingdom relations

{{Main|History of Iran–United Kingdom relations}}

In 1597, as Abbas I of Safavid sought to establish an alliance against his arch rival, the Ottomans, he received Robert Shirley, Anthony Shirley, and a group of 26 English envoys in Qazvin. Soon, the Shirley brothers were appointed by the Shah to organize and modernize the royal cavalry and train the army. The effects of these modernizations proved to be highly successful, as from then on the Safavids proved to be an equal force against their arch rival, immediately crushing them in the first war to come (Ottoman–Safavid War (1603–1618)) and all other Safavid wars to come. Many more events followed, including the debut of the British East India Company into Persia, and the establishment of trade routes for silk though Jask in the Strait of Hormuz in 1616. It was from here where the likes of Sir John Malcolm later gained influence into the Qajarid throne.

File:Naser_kiss_queen.jpg of Persia is received by Queen Victoria at Windsor Castle in July 1859.]]

Anglo-Persian relations picked up momentum as a weakened Safavid empire, after the short-lived revival by the military genius Nader Shah (r. 1736-1747), eventually gave way to the Qajarid dynasty, which was quickly absorbed into domestic turmoil and rivalry, while competing colonial powers rapidly sought a stable foothold in the region. While the Portuguese, British, and Dutch, competed for the south and southeast of Persia in the Persian Gulf, Imperial Russia was largely left unchallenged in the north as it plunged southward to establish dominance in Persia's northern territories.Bullard, Britain and the Middle East: From Earliest Times to 1963 (1964) pp 17-28.

A weakened and bankrupted royal court under Fath Ali Shah was forced to sign the Treaty of Gulistan in 1813, followed by the Treaty of Turkmenchay after efforts by Abbas Mirza failed to secure Persia's northern front against Imperial Russia. The treaties were prepared by the Sir Gore Ouseley with the aid of the British Foreign Office in London. In fact, Iran's current southern and eastern boundaries were determined by none other than the British during the Anglo-Persian War (1856 to 1857). After repelling Nasereddin Shah's attack in Herat in 1857, the British government assigned Frederic John Goldsmid of the Indo-European Telegraph Department to determine the borders between Persia and British India during the 1860s.Frederic John Goldsmid's Eastern Persia: An account of the journeys of the Persian Boundary Commission. 1870–1871–1872. London. Macmillan and Co. 1876.

By the end of the 19th century, Britain's dominance became so pronounced that Khuzestan, Bushehr, and a host of other cities in southern Persia were occupied by Great Britain, and the central government in Tehran was left with no power to even select its own ministers without the approval of the Anglo-Russian consulates. Morgan Shuster, for example, had to resign under tremendous British and Russian pressure on the royal court. Shuster's book The Strangling of Persia is a recount of the details of these events, a harsh criticism of Britain and Imperial Russia.

Of the public outcry against the inability of the Persian throne to maintain its political and economic independence from Great Britain and Imperial Russia in the face of events such as the Anglo-Russian Convention of 1907 and "the 1919 treaty", one result was the Persian Constitutional Revolution, which eventually resulted in the fall of the Qajar dynasty.{{Citation needed|date=June 2009}}

The great tremor of the Persian political landscape occurred when the involvement of General Edmund Ironside eventually led to the rise of Reza Shah Pahlavi in the 1920s. The popular view that the British were involved in the 1921 coup was noted as early as March 1921 by the American embassy and relayed to the Iran desk at the Foreign Office.Zirinsky M.P. "Imperial Power and Dictatorship: Britain and the Rise of Reza Shah 1921–1926". International Journal of Middle East Studies. 24, 1992. p. 646. A British Embassy report from 1932 concedes that the British put Reza Shah "on the throne".Sources:

• FO 371 16077 E2844 dated 8 June 1932.
• The Memoirs of Anthony Eden are also explicit about Britain's role in putting Rezā Khan in power.
• Ansari, Ali M. Modern Iran since 1921. Longman. 2003 {{ISBN|0-582-35685-7}} pp. 26–31.

A novel chapter in Anglo-Iranian relations had begun when Iran canceled its capitulation agreements with foreign powers in 1928. Iran's success in revoking the capitulation treaties, and the failure of the Anglo-Iranian Agreement of 1919 earlier, led to intense diplomatic efforts by the British government to regularize relations between the two countries on a treaty basis. The most intractable challenge, however, proved to be Iran's assiduous efforts to revise the terms whereby the APOC retained near monopoly control over the oil industry in Iran as a result of the concession granted to William Knox D'Arcy in 1901 by the Qajar King of the period.

The attempt to revise the terms of the oil concession on a more favorable basis for Iran led to protracted negotiations that took place in Tehran, Lausanne, London and Paris between Teymourtash and the Chairman of APOC, Sir John Cadman, spanning the years from 1928 to 1932. Despite much progress, Rezā Shāh Pahlavi was soon to assert his authority by dramatically inserting himself into the negotiations. The Monarch attended a meeting of the Council of Ministers in November 1932, and after publicly rebuking Teymourtash for his failure to secure an agreement, dictated a letter to cabinet canceling the D'Arcy Agreement. The Iranian Government notified APOC that it would cease further negotiations and demanded cancellation of the D'Arcy concession. Rejecting the cancellation, the British government espoused the claim on behalf of APOC and brought the dispute before the Permanent Court of International Justice at The Hague, asserting that it regarded itself "as entitled to take all such measures as the situation may demand for the Company's protection." At this point, Hassan Taqizadeh, the new Iranian minister to have been entrusted the task of assuming responsibility for the oil dossier, was to intimate to the British that the cancellation was simply meant to expedite negotiations and that it would constitute political suicide for Iran to withdraw from negotiations.

Rezā Shāh was removed from power abruptly during the Anglo-Soviet invasion of Iran during World War II. The new Shah, Crown Prince Mohammad Reza Pahlavi, signed a Tripartite Treaty Alliance with Britain and the Soviet Union in January 1942, to aid in the allied war effort in a non-military way.

In 1951, the Iranians nationalized the oil through a parliamentary bill on 21 March 1951. This caused a lot of tension between Iran and the UK. After the events of 1953, scores of Iranian political activists from the National and Communist parties were jailed or killed. This coup only added to the deep mistrust towards the British in Iran. It has since been very common in Iranian culture to mistrust British government.

The end of World War II brought the start of American dominance in Iran's political arena, and with an anti-Soviet Cold War brewing, the United States quickly moved to convert Iran into an anti-communist bloc, thus considerably diminishing Britain's influence on Iran for years to come. Operation Ajax and the fall of Prime Minister Mosaddegh was perhaps the last of the large British involvements in Iranian politics in the Pahlavi era. The British forces began to withdraw from Persian Gulf in 1968.{{cite journal |last=Alvandi |first=Roham |year=2012 |title=Nixon, Kissinger, and the Shah: the origins of Iranian primacy in the Persian Gulf |url=http://eprints.lse.ac.uk/32743/1/Nixon,_Kissinger,_and_the_Shah_the_origins_of_Iranian_primacy_in_the_Persian_Gulf_(LSE_RO).pdf |url-status=dead |journal=Diplomatic History |volume=36 |issue=2 |pages=337–372 |doi=10.1111/j.1467-7709.2011.01025.x |archive-url=https://web.archive.org/web/20130720224433/http://eprints.lse.ac.uk/32743/1/Nixon%2C_Kissinger%2C_and_the_Shah_the_origins_of_Iranian_primacy_in_the_Persian_Gulf_%28LSE_RO%29.pdf |archive-date=20 July 2013 |access-date=2 August 2013}} This was done out of economic considerations as the British simply could not continue to afford the costs of administration. (See also East of Suez). As part of this policy, in 1971, the then British government decided not to support the Shah and eventually, the patronage of the United Kingdom ended, and consequently, this role was filled by the US.{{cite journal |last=Reed |first=Thomas C. |author2=Danny B. Stillman |year=2008 |title=Revisiting the Seventies The Third World Comes of Age |url=http://apps.dtic.mil/dtic/tr/fulltext/u2/a516583.pdf |url-status=live |journal=IFQ |volume=51 |page=152 |archive-url=https://web.archive.org/web/20131211080407/http://www.dtic.mil/dtic/tr/fulltext/u2/a516583.pdf |archive-date=December 11, 2013 |access-date=31 July 2013}}

File:Zz_embassy.jpg.]]

On 30 April 1980, the Iranian Embassy in London was taken over by a six-man terrorist team holding the building for six days until the hostages were rescued by a raid by the SAS. After the Revolution of Iran in 1979, Britain suspended all diplomatic relations with Iran. Britain did not have an embassy until it was reopened in 1988.{{cite book |last1=Neville |first1=Peter |url=https://books.google.com/books?id=FbeN7dBFtGwC&q=Britain+suspends+all+diplomatic+relations+revolution+iran&pg=PA157 |title=Historical dictionary of British foreign policy |date=2013 |publisher=Scarecrow Press, Incorporated |isbn=978-0810871731 |location=Lanham |access-date=2 February 2016}} A year after the re-establishment of the British embassy in Tehran, Ayatollah Khomeini issued a fatwa ordering Muslims across the world to kill British author Salman Rushdie. Diplomatic ties with London were broken off only to be resumed at a chargé d'affaires level in 1990.

Relations normalized in 1997 during President Mohammad Khatami's reformist administration, with Jack Straw becoming the first high-ranking British politician to visit Tehran in 2001 since the revolution. A setback occurred in 2002 when David Reddaway was rejected by Tehran as London's ambassador, on charges of being a spy, and further deteriorated two years later when Iran seized eight British sailors in Arvand River near the border with Iraq. The sailors were pardoned and attended a goodbye ceremony with President Ahmadinejad shortly after they were released.{{cite web |last1=Walker |first1=Peter |last2=Oliver |first2=Mark |last3=agencies |date=4 April 2007 |title=Iran to release British sailors tomorrow |url=https://www.theguardian.com/world/2007/apr/04/politics.iran |work=The Guardian}}

In February 2004, following the earthquake in Bam, Prince Charles and then President Mohammad Khatami visited the city.{{cite news |date=9 February 2004 |title=Charles in Iran for visit to Bam |url=http://news.bbc.co.uk/2/hi/uk_news/3470651.stm |access-date=29 July 2013 |publisher=BBC}}

On 28 November 2011 Iran downgraded its relations with Britain due to new sanctions put in place by the UK.{{cite news |last=Gladstone |first=Rick |date=28 November 2011 |title=Iran Moves to Downgrade Diplomatic Ties with Britain |url=https://www.nytimes.com/2011/11/29/world/middleeast/iran-moves-quickly-to-downgrade-ties-with-britain.html |work=The New York Times}} The next day a band of students and Basiji attacked the UK embassy compound in Tehran, damaging property and driving the embassy staff away.{{cite news |date=29 November 2011 |title=Hague says Iran will face 'serious consequences' over embassy attack |url=https://www.theguardian.com/world/2011/nov/29/iranian-students-storm-british-embassy |work=The Guardian |location=London}} On 30 November 2011, in response to the attack, the UK closed its embassy in Tehran and ordered the Iranian embassy in London closed.{{cite news |last1=Borger |first1=Julian |date=30 November 2011 |title=Britain expels Iranian diplomats and closes Tehran embassy |url=https://www.theguardian.com/world/2011/nov/30/britain-expels-iranian-diplomats-tehran |work=The Guardian |location=London}}

According to a 2013 BBC World Service poll, only 5% of British people view Iran's influence positively, with 84% expressing a negative view.[http://www.globescan.com/images/images/pressreleases/bbc2013_country_ratings/2013_country_rating_poll_bbc_globescan.pdf 2013 World Service Poll] {{Webarchive|url=https://web.archive.org/web/20151010192245/http://www.globescan.com/images/images/pressreleases/bbc2013_country_ratings/2013_country_rating_poll_bbc_globescan.pdf|date=2015-10-10}} BBC News According to a 2012 Pew Global Attitudes Survey, 16% of British people viewed Iran favorably, compared to 68% which viewed it unfavorably; 91% of British people oppose Iranian acquisition of nuclear weapons and 79% approve of "tougher sanctions" on Iran, while 51% of British people support use of military force to prevent Iran from developing nuclear weapons.[http://www.pewglobal.org/2012/05/18/a-global-no-to-a-nuclear-armed-iran/ A Global “No” To a Nuclear-Armed Iran] Pew Research Center

From July 2012 until October 2013, British interests in Iran were maintained by the Swedish embassy in Tehran{{cite news |date=12 July 2012 |title=Sweden to watch British interests in Iran |url=https://www.chicagotribune.com/2012/07/12/sweden-to-watch-british-interests-in-iran/ |access-date=11 July 2013 |agency=Reuters}} while Iranian interests in the United Kingdom were maintained by the Omani embassy in London.{{cite news |date=28 June 2012 |title=Oman 'looking after Iran interests in UK' |url=http://www.tradearabia.com/news/MISC_219731.html |access-date=25 October 2022 |publisher=Trade Arabia}}

In July 2013, it was announced that the UK would consider opening better relations with Iran "step-by-step" following the election of President Hassan Rouhani.{{cite news |title=Britain says open to better relations with Iran |url=http://tehrantimes.com/politics/109733-britain-says-open-to-better-relations-with-iran- |url-status=dead |archive-url=https://archive.today/20130805044311/http://tehrantimes.com/politics/109733-britain-says-open-to-better-relations-with-iran- |archive-date=5 August 2013 |access-date=5 August 2013 |newspaper=Tehran Times}}

On October 8, 2013, Britain and Iran announced that they would each appoint a chargé d'affaires to work toward resuming full diplomatic relations.{{cite news |last=Erlanger |first=Steven |date=8 October 2013 |title=Britain and Iran Move to Repair Diplomatic Relations |url=https://www.nytimes.com/2013/10/09/world/middleeast/britain-and-iran-move-to-repair-diplomatic-relations.html |newspaper=The New York Times}}{{cite web |title=Iran and UK agree to exchange diplomats |url=http://www.aljazeera.com/news/middleeast/2013/10/iran-uk-agree-exchange-diplomats-2013108173624486247.html |website=www.aljazeera.com}}

On February 20, 2014, the Iranian Embassy in London was restored and the two countries agreed to restart diplomatic relations.{{cite web |title=Britain Iran resume Diplomatic Ties as Iranian Embassy restored in London |url=http://news.biharprabha.com/2014/02/britain-iran-resume-diplomatic-ties-as-iranian-embassy-restored-in-london/ |access-date=21 February 2014 |work=IANS |publisher=news.biharprabha.com}} On August 23, 2015, the British Embassy in Tehran officially reopened.{{Cite news |date=23 August 2015 |title=British embassy in Tehran reopens four years after closure |url=https://www.bbc.com/news/uk-34031615 |access-date=2015-09-10 |work=BBC News}}

The first Persian Ambassador to the United Kingdom was Mirza Albohassan Khan Ilchi Kabir.

Image:IranEmbassyUK.JPG]]

Image:UKinIran.JPG]]

The Herald Tribune on 22 January 2006 reported a rise in British exports to Iran from £296 million in 2000 to £443.8 million in 2004. A spokesperson for UK Trade and Investment was quoted saying that "Iran has become more attractive because it now pursues a more liberal economic policy".{{cite web|last1=Dempsey|first1=Judy|title=Hint of Iran sanctions tugs at trade ties|url=https://www.nytimes.com/2006/01/22/world/americas/hint-of-iran-sanctions-tugs-at-trade-ties.html|website=The New York Times|access-date=May 5, 2017|date=January 22, 2006}} As of 2009, the total assets frozen in Britain under the EU (European Union) and UN sanctions against Iran are approximately £976m ($1.64 billion).{{citation needed|date=December 2020}} In November 2011, Britain severed all ties with Iranian banks as part of a package of sanctions from the US, UK and Canada aimed at confronting Tehran’s nuclear programme.{{Cite web |url=http://www.turquoisepartners.com/iraninvestment/IIM-Dec11.pdf |title=Archived copy |access-date=2012-01-31 |archive-date=2012-04-02 |archive-url=https://web.archive.org/web/20120402233919/http://www.turquoisepartners.com/iraninvestment/IIM-Dec11.pdf |url-status=dead }}

The confrontation between the United States–European Union pact on one side and Iran on the other over Iran's nuclear program also continues to develop, remaining a serious obstacle in the improvement of Tehran–London ties.

A confidential letter by UK diplomat John Sawers to French, German and US diplomats, dated 16 March 2006, twice referred to the intention to have the United Nations Security Council refer to Chapter VII of the United Nations Charter in order to put pressure on Iran. Chapter VII describes the Security Council's power to authorize economic, diplomatic, and military sanctions, as well as the use of military force, to resolve disputes.

The Sunday Telegraph reported that a secret, high-level meeting would take place on 3 April 2006 between the UK government and military chiefs regarding plans to attack Iran.[https://web.archive.org/web/20060405035241/http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2006/04/02/wiran02.xml Government in secret talks about strike against Iran], Sean Rayment, Sunday Telegraph, 2 April 2006 The Telegraph cited "a senior Foreign Office source" saying that "The belief in some areas of Whitehall is that an attack is now all but inevitable. There will be no invasion of Iran but the nuclear sites will be destroyed." The BBC reported a denial that the meeting would take place, but no denial of the alleged themes of the meeting, by the UK Ministry of Defence, and that "there is well sourced and persistent speculation that American covert activities aimed at Iran are already underway".[http://news.bbc.co.uk/1/hi/uk/4869094.stm MoD denies Iran military meeting], BBC, 2 April 2006

{{Main|2004 Iranian seizure of Royal Navy personnel}}

On 21 June 2004, eight sailors and Royal Marines were seized by forces of the Revolutionary Guards' Navy while training Iraqi river patrol personnel in the Persian Gulf.{{cite news |url=http://news.bbc.co.uk/2/low/middle_east/3077540.stm |title=Timeline: UK-Iran relations |publisher=BBC News|date=2007-03-23 |access-date=2007-03-28}}

{{further|2007 Iranian arrest of Royal Navy personnel}}

On 23 March 2007 fifteen Royal Navy personnel were seized by the naval forces of the Iranian Revolutionary Guard for allegedly having strayed into Iranian waters. Eight sailors and seven Royal Marines on two boats from HMS Cornwall were detained at 10:30 local time by six Guard boats of the IRGC Navy. They were subsequently taken to Tehran. Iran reported that the sailors are well. About 200 students targeted the British Embassy on 1 April 2007 calling for the expulsion of the country's ambassador because of the standoff over Iran's capture of 15 British sailors and marines. The protesters chanted "Death to Britain" and "Death to America".[http://www.chinadaily.com.cn/world/2007-04/01/content_841136.htm Protest in Iran targets British Embassy], China Daily, 1 April 2007 Speculation on the Iranians' motivations for this action ran rampant; with the Iranians under tremendous pressure on a number of fronts from the United States, the Revolutionary Guard Corps could have been responding to any one of a number of perceived threats.

On 3 April 2007, Prime Minister Tony Blair advised that "the next 48 hours will be critical" in defusing the crisis. At approximately 1:20 PM GMT, Iran's president announced that the 8 sailors would be 'pardoned'. The following day, he announced all 15 British personnel would be released immediately "in celebration of the Prophet's birthday and Easter."

Despite the political pressure and sanctions, a probe by customs officers suggests that at least seven British arms dealers have been supplying the Iranian air force, its elite Revolutionary Guard Corps, and the country's controversial nuclear ambitions. A UK businessman was caught smuggling components for use in guided missiles through a front company that proved to be the Iranian Ministry of Defence. Another case involves a group that included several Britons which, investigators alleged, attempted to export components intended to enhance the performance of Iranian aircraft. Other examples involve a British millionaire arms dealer caught trading machine-guns used by the SAS and capable of firing 800 rounds a minute with a Tehran-based weapons supplier.{{cite news |url=https://www.theguardian.com/world/2008/apr/20/armstrade.iran |location=London |work=The Guardian |first=Mark |last=Townsend |title=British dealers supply arms to Iran |date=20 April 2008}}

{{See also|Arms control}}

In 2006 a dispute about the ownership of Gholhak Garden, a large British diplomatic compound in northern Tehran was raised in the Iranian Parliament when 162 MPs wrote to the speaker.{{cite news |url=https://www.theguardian.com/world/2007/jul/18/iran.roberttait |location=London |work=The Guardian |first=Robert |last=Tait |title=Iranian militants demand return of British diplomatic compound |date=18 July 2007}} The British Embassy have occupied the site since at least 1934 and assert that they have legal ownership but the issue was raised again in 2007 when a group of MPs claimed that the ownership papers for the site were unlawful under the laws extant in 1934.[http://www.bbc.co.uk/persian/iran/story/2007/01/070121_an-gholhak.shtml افزایش تلاش ها برای بازپس گیری باغ قلهک]. BBC Persian. January 21, 2007 In July 2007 a conference was held to discuss the ownership of the compound but was not attended by the British side.

On 14 March 2008, Britain said it would reconsider the asylum application of a gay Iranian teenager who claims he will be persecuted if he is returned home. He had fled to the Netherlands and sought asylum there; however, the Dutch government turned him down, saying the case should be dealt with in Britain, where he first applied.{{cite news | url = http://edition.cnn.com/2008/WORLD/meast/03/14/iran.asylum/index.html | work=CNN | title=Gay Iranian given hope by the UK's U-turn | date=14 March 2008}}

As talk of strikes and counter-strikes in relation to war talk between the United States-Israel-Iran trio heated up in 2008, a senior Iranian official suggested his regime should target London to deter such an attack. The head of the Europe and US Department in the Iranian Foreign Ministry, Wahid Karimi, said an attack on London could deter the US from attacking Tehran. He said: "The most appropriate means of deterrence that Iran has, in addition to a retaliatory operation in the [Persian Gulf] region, is to take action against London." He also suggested a propensity to attack could arise from a "usually adventuresome" second term presidency. He said: "US presidents are usually adventuresome in their second terms... [Richard] Nixon, disgraced by the Watergate scandal; [Ronald] Reagan, with the 'Irangate' adventure; [and Bill] Clinton, with Monica Lewinsky—and perhaps George Bush, the sitting president, will create a scandal connected to Iran's legitimate nuclear activity so as not to be left behind." His speculation led him to suggest a clash could occur between the 2008 U.S. presidential elections and by the time the new president enters office in January 2009. "In the worst-case scenario, George Bush may perhaps persuade the president-elect to carry out an ill-conceived operation against Iran, prior to January 20, 2009—that is, before the regime is handed over and he ends his presence in the White House. The next president of the US will have to deal with the consequences."{{Cite web |url=http://fr.jpost.com/servlet/Satellite?cid=1222017624184&pagename=JPost%2FJPArticle%2FShowFull |title=Iranian official calls for attack on UK | Iranian - Iran News | Jerusalem Post |access-date=2018-09-13 |archive-url=https://web.archive.org/web/20111225024540/http://fr.jpost.com/servlet/Satellite?cid=1222017624184&pagename=JPost%2FJPArticle%2FShowFull |archive-date=2011-12-25 |url-status=dead }}

{{wikinews|Iran and Britain expel diplomats after Iranian presidential election}}

In the aftermath of the disputed 2009 Iranian presidential election and the protests that followed, UK-Iran relations were further tested. On 19 June 2009, the Supreme Leader of Iran Ayatollah Khamenei described the British Government as the "most evil" of those in the Western nations, accusing the British government of sending spies into Iran to stir emotions at the time of the elections, although it has been suggested by British diplomats that the statement was using the UK as a "proxy" for the United States, in order to prevent damaging US–Iranian relations.{{cite news |title=Protest at Iran's 'evil UK' claim |work=BBC News |date=2009-06-19 |url=http://news.bbc.co.uk/1/hi/uk_politics/8109303.stm |access-date=2009-06-24}} Nonetheless, the British Government, unhappy at the statement, summoned the Iranian ambassador Rasul Movaheddian to the Foreign Office to lodge a protest. Iran then proceeded to expel two British diplomats from the country, accusing them of "activities inconsistent with their diplomatic status".{{cite news |title=UK expels Iran diplomats in tit-for-tat protest row |newspaper=The Times |date=2009-06-23 |url=http://www.timesonline.co.uk/tol/news/world/middle_east/article6563204.ece |access-date=2009-06-24 | location=London | first=Jenny | last=Booth}}{{dead link|date=September 2024|bot=medic}}{{cbignore|bot=medic}} On 23 June 2009, the British Government responded, expelling two Iranian diplomats from the United Kingdom.{{cite news |title=UK expels two Iranian diplomats |work=BBC News |date=2009-06-23 |url=http://news.bbc.co.uk/1/hi/uk/8115358.stm |access-date=2009-06-24}} Prime Minister Gordon Brown stated that he was unhappy at having to take the action, but suggested there was no option after what he described as 'unjustified' actions by Iran. On 24 June 2009, Iranian Foreign Minister Manouchehr Mottaki announced that the country was considering 'downgrading' its ties with the UK.{{cite web |title=Iran considering downgrading ties with Britain |publisher=The Associated Press |date=2009-06-24 |url=https://www.google.com/hostednews/afp/article/ALeqM5iZ7ROKIvdkhQZqqtDBZXwyzF7HFA |archive-url=https://web.archive.org/web/20110315042315/http://www.google.com/hostednews/afp/article/ALeqM5iZ7ROKIvdkhQZqqtDBZXwyzF7HFA |url-status=dead |archive-date=March 15, 2011 |access-date=2009-06-23}}

Four days later it was reported that Iranian authorities had arrested a number of British embassy staff in Tehran citing their "considerable role" in the recent unrest.{{cite news|url=http://news.bbc.co.uk/1/hi/world/middle_east/8122871.stm|title=UK fury as staff arrested in Iran |date=2009-06-28|work=BBC News|access-date=2009-06-28}} After this event, the UK Government responded strongly demanding that the Iranian authorities release the British staff immediately as it stated that Iran's accusations are baseless without evidence. After the arrest of UK staff, the European Union (EU) has also demanded that UK staff be released in Iran under international law and if the UK staff are not released then the EU threatens a 'strong response'.{{cite news|url=http://news.bbc.co.uk/1/hi/world/middle_east/8123261.stm|title=Iran 'must free UK embassy staff' |date=2009-06-28|work=BBC News|access-date=2009-06-28}} On December 29, 2009, Britain was warned by Iranian Foreign Minister Manouchehr Mottaki to state "Britain will get slapped in the mouth if it does not stop its nonsense."{{cite news|url=http://news.bbc.co.uk/1/hi/uk/8433625.stm|title=Iran Issues 'Slap' Warning |date=2009-12-29|work=BBC News|access-date=2009-12-29}}

The Queen's College, Oxford established the Neda Agha-Soltan Graduate Scholarship in 2009, named after Neda Agha-Soltan, who died in the protests that followed the election. This led to a letter of protest to the college from the Iranian embassy in London, signed by the deputy ambassador, Safarali Eslamian. The letter disputed the circumstances of her death, and said that there was "supporting evidence indicating a pre-made scenario".{{cite news|url=http://www.timesonline.co.uk/tol/news/uk/article6911629.ece|archive-url=https://web.archive.org/web/20110604165919/http://www.timesonline.co.uk/tol/news/uk/article6911629.ece|url-status=dead|archive-date=June 4, 2011|title=Oxford's tribute to student Neda Soltan denounced by Iran |work=The Times|date=11 November 2009|author=Fletcher, Martin|author2=Hurst, Greg|access-date=1 February 2010 | location=London}} Eslamain wrote, "It seems that the University of Oxford has stepped up involvement in a politically motivated campaign which is not only in sharp contract with its academic objectives, but also is linked with a chain of events in post-Iranian presidential elections blamed for British interference both at home and abroad".{{cite news|url=http://extras.timesonline.co.uk/pdfs/letter1.jpg|title=Letter from Iranian Embassy to Professor Paul Madden|access-date=1 February 2010|newspaper=The Times | location=London|first=Ben|last=Webster}}{{dead link|date=September 2024|bot=medic}}{{cbignore|bot=medic}} The letter also said that the "decision to abuse Neda's case to establish a graduate scholarship will highly politicise your academic institution, undermining your scientific credibility—along with British press which made exceptionally a lot of hue and cry on Neda's death—will make Oxford at odd {{sic}} with the rest of the world's academic institutions." Eslamain asked for the university's governing board to be informed of "the Iranian views", and finished by saying, "Surely, your steps to achieve your attractions through non-politically supported programs can better heal the wounds of her family and her nation." Following publication of the Iranian letter, The Times was told by UK diplomatic sources, speaking anonymously, that the scholarship had put "another nail into the coffin" of relations between Britain and Iran. If the government had been asked, the sources were reported as saying, it would have advised against the move, because it was felt that Iran would see it as an act of provocation, and because it would interfere with efforts to free Iranians working for the British Embassy in Tehran who had been detained for alleging participating in the post-election protests.{{cite news|url=http://www.timesonline.co.uk/tol/news/uk/article6935464.ece|archive-url=https://web.archive.org/web/20110604165934/http://www.timesonline.co.uk/tol/news/uk/article6935464.ece|url-status=dead|archive-date=June 4, 2011|title=Diplomats uneasy at Neda Soltan being honoured by Queen's College, Oxford|last=Kerbaj|first=Richard |author-link=Richard Kerbaj |work=The Times|date=28 November 2009|access-date=1 February 2010 | location=London}} A college spokesman said that the scholarship had not been set up as part of a political decision, and if the initial donations had been refused, this would have been interpreted as a political decision too.

In April 2009 the British government lost its final appeal in the arbitration court of the International Chamber of Commerce at The Hague against a payment of $650 million to Iran.{{cite news|url=https://www.independent.co.uk/news/uk/home-news/the-mod-the-arms-deal-and-a-30yearold-bill-for-pound400m-1952972.html|title=The MoD, the arms deal and a 30-year-old bill for £400m|date=24 April 2010|work=The Independent|access-date=26 April 2010|location=London|first1=Cahal|last1=Milmo|first2=Nick|last2=Dowson}} The money is compensation for an arms deal dating from the 1970s which then did not come about due to the occurrence of the Iranian Revolution. The Shah's government had ordered 1,500 Chieftain tanks and 250 Chieftain armoured recovery vehicles (ARVs) in a contract worth £650 million, but only 185 vehicles had been delivered before the revolution occurred.{{cite news|url=https://www.telegraph.co.uk/news/worldnews/middleeast/iran/7632836/Britain-to-pay-back-Iran-400-million.html|title=Britain to pay back Iran £400 million |last=Spencer|first=Richard|date=26 April 2010|work=The Telegraph|access-date=26 April 2010|location=London}} The contract also covered the provision of training to the Iranian army and the construction of a factory near Isfahan to build tank parts and ammunition. In order to recover some of the costs 279 of the Chieftains were sold to Jordan and 29 of the ARVs to Iraq, who used them against Iran in the Iran–Iraq War. The UK continued to deliver tank parts to Iran after the revolution but finally stopped following the outbreak of the Iranian hostage crisis in 1979.

The British government has itself confirmed it has to pay the money and the ruling, which originated in The Hague, received coverage in The Independent.{{cite web|url=http://www.haaretz.com/hasen/spages/1165316.html|title=U.K. ordered to pay Iran $650m for canceled arms deal|date=25 April 2010|access-date=25 April 2010|work=Haaretz}}{{cite web|url=http://www.abc.net.au/news/stories/2010/04/25/2882122.htm?section=justin|archive-url=https://web.archive.org/web/20100426111615/http://www.abc.net.au/news/stories/2010/04/25/2882122.htm?section=justin|url-status=dead|archive-date=April 26, 2010|title=UK ordered to pay Iran millions for arms deal|date=25 April 2010|access-date=25 April 2010|publisher=ABC News}} Britain had already placed £486 million with the court in 2002 to pay for any ruling against it. The settlement is worth £390 million that will come out of this fund. Iran has yet to officially apply to receive the money but when it does so will not receive it, instead it will join £976 million of Iranian assets frozen by the UK due to EU sanctions.

{{main|2011 attack on British embassy in Iran}}

On 29 November 2011, despite heavy police resistance,{{cite web|url=http://news.xinhuanet.com/english2010/world/2011-11/30/c_131277880.htm|archive-url=https://web.archive.org/web/20111201064302/http://news.xinhuanet.com/english2010/world/2011-11/30/c_131277880.htm|url-status=dead|archive-date=December 1, 2011|title=Iran arrests 12 at British Council protests|website=news.xinhuanet.com}} two compounds of the British embassy in Tehran were stormed by Iranian protesters. The protesters smashed windows, ransacked offices, set fire to government documents, and burned a British flag.{{cite news|title=Iran protesters storm UK embassy in Tehran|url=https://www.bbc.co.uk/news/world-middle-east-15936213|work=BBC|access-date=29 November 2011|date=29 November 2011}} Six British diplomats were initially reported by the Iranian semi-official news agency Mehr as being taken hostage, while later reports indicated that in fact they were escorted to safety by the police.{{cite news|title=British embassy attack in Iran: live|url=https://www.telegraph.co.uk/news/worldnews/middleeast/iran/8922993/British-embassy-attack-in-Iran-live.html|access-date=29 November 2011|newspaper=The Telegraph|location=London|first=Barney|last=Henderson|date=30 November 2011}} The storming of the British embassy followed from the 2011 joint American-British-Canadian sanctions and the Iranian government's Guardian Council approving a parliamentary bill expelling the British ambassador as a result of those sanctions. A British flag was taken down and replaced by the Iranian flag by the protesters. The British Foreign Office responded by saying "We are outraged by this. It is utterly unacceptable and we condemn it."{{cite news|url=https://www.reuters.com/article/us-iran-britain-embassy-idUSTRE7AS0X720111129|work=Reuters|title=Iranian protesters storm British diplomatic compounds|date=29 November 2011}} According to Iranian state news agencies, the protesters were largely composed of young adults. On 30 November William Hague announced that all Iranian diplomats had been expelled and given 48 hours to leave the United Kingdom.

The UK Defence Secretary Philip Hammond warned that Britain might take military action against Iran if it carries out its threat to block the Strait of Hormuz. He said any attempt by Iran to block the strategically important waterway in retaliation for sanctions against its oil exports would be “illegal and unsuccessful” and the Royal Navy would join any action to keep it open. British defence officials met US Secretary of Defense Leon Panetta on 6 January to criticize other members of the NATO for not being willing to commit resources to joint operations, including in Libya and Afghanistan.[https://archive.today/20120722052510/http://www.businessweek.com/news/2012-01-05/u-k-warns-iran-over-illegal-threat-to-close-strait-of-hormuz.html U.K. Warns Iran Over ‘Illegal’ Threat to Close Strait of Hormuz] Business Week, 5 January 2012[https://www.theguardian.com/politics/2012/jan/05/us-and-uk-to-scale-back-military?newsfeed=true Britain and US to scale down military capability due to debt crisis] The Guardian, 5 January 2012 The following day, UK officials reported its intention to send its most powerful naval forces to the Persian Gulf to counter any Iranian attempt to close the Strait of Hormuz. The Type 45 destroyer {{HMS|Daring|D32|6}} would arrive in the Gulf by the end of January. According to officials, the ship is capable of shooting down "any missile in Iran's armoury."[http://www.jpost.com/IranianThreat/News/Article.aspx?id=252568 'UK sends most powerful vessel to the Persian Gulf to keep Hormuz open'] The Jerusalem Post

File:Javad Zarif meeting with UK foreign minister Boris Johnson in Tehran 2017-12-09 02.jpg with UK Foreign Secretary Boris Johnson, 9 December 2017]]

In July 2013, the UK considered opening better relations with Iran "step-by-step" following the election of President Hassan Rouhani,{{cite news |title=Britain says open to better relations with Iran |url=http://tehrantimes.com/politics/109733-britain-says-open-to-better-relations-with-iran- |url-status=dead |archive-url=https://archive.today/20130805044311/http://tehrantimes.com/politics/109733-britain-says-open-to-better-relations-with-iran- |archive-date=5 August 2013 |access-date=5 August 2013 |newspaper=Tehran Times}} and in October of the same year, both countries announced that they would each appoint a chargé d'affaires to work toward resuming full diplomatic relations.{{cite news |last=Erlanger |first=Steven |date=8 October 2013 |title=Britain and Iran Move to Repair Diplomatic Relations |url=https://www.nytimes.com/2013/10/09/world/middleeast/britain-and-iran-move-to-repair-diplomatic-relations.html |newspaper=The New York Times}}{{cite web |title=Iran and UK agree to exchange diplomats |url=http://www.aljazeera.com/news/middleeast/2013/10/iran-uk-agree-exchange-diplomats-2013108173624486247.html |website=www.aljazeera.com}} This was done on 20 February 2014,{{citation needed|date=December 2020}} and the British government announced in June 2014 that it would soon re-open its Tehran embassy.{{cite news|url=https://www.bbc.com/news/uk-politics-27882932|title=UK to re-open Iran embassy says Hague|date=17 June 2014|work=BBC News|access-date=17 June 2014}} Embassies in each other's countries were simultaneously reopened in 2015. The ceremony in Tehran was attended by UK Foreign Secretary Philip Hammond, the first British Foreign Secretary to visit Iran since Jack Straw in 2003, who attended the reopening of the Iranian embassy in London, along with Iran's deputy foreign minister Mehdi Danesh Yazdi.{{cite news| url=https://www.bbc.co.uk/news/uk-34031615|work=BBC News|title=British embassy in Tehran reopens four years after closure|date=23 August 2015}} Diplomat Ajay Sharma was named as the UK's charge d'affaires but a full ambassador was expected to be appointed in the coming months. In September 2016, both countries restored diplomatic relations to their pre-2011 level, with Nicholas Hopton being appointed British Ambassador in Tehran.[https://www.bbc.co.uk/news/uk-37278262 UK appoints first ambassador to Iran in five years], BBC News (5 September 2016). Retrieved 6 September 2016.

British prime minister David Cameron and Iranian President Hassan Rouhani met on the sidelines of a United Nations in September 2014, marking the highest-level direct contact between the two countries since the 1979 Islamic revolution.{{cite news|url=https://www.bbc.com/news/uk-politics-29345404|title=David Cameron holds talks with Iran's Hassan Rouhani|date=24 September 2014|work=BBC News|access-date=14 May 2019}}

In April 2016, an Iranian-British dual citizen Nazanin Zaghari-Ratcliffe was arrested while visiting Iran with her daughter.{{cite news |url=https://www.bbc.co.uk/news/uk-37321030 |title=UK-Iranian mother Nazanin Zaghari-Ratcliffe 'jailed on secret charges' |work=BBC News |date=10 September 2016 |access-date=7 November 2017}} She was found guilty of "plotting to topple the Iranian government" in September 2016 and sentenced to 5 years in prison. Her husband led a concerted campaign to have her released maintaining that she "was imprisoned as leverage for a debt owed by the UK over its failure to deliver tanks to Iran in 1979."{{cite news|url=https://www.bbc.com/news/uk-56888938 |title=Nazanin Zaghari-Ratcliffe sentenced to a year in Iran prison |work=BBC|date=26 April 2021 }} After her initial sentence expired in March 2021 she was charged and found guilty of propaganda activities against the government and sentenced to one year in prison. She was finally released on 16 March 2022,{{cite news |title=Nazanin Zaghari-Ratcliffe and Anoosheh Ashoori on way home to UK |url=https://www.bbc.co.uk/news/uk-60756870 |access-date=16 March 2022 |work=BBC News |date=16 March 2022}} which was reported to be related to the UK paying a historic debt for tanks paid for by Iran in the 1970s but never delivered.{{cite news |title=Nazanin Zaghari-Ratcliffe: Why has she been freed now? |url=https://www.bbc.co.uk/news/uk-60768437 |access-date=16 March 2022 |work=BBC News |date=16 March 2022}}

Theresa May, who succeeded Cameron as prime minister in July 2016, accused Iran of "aggressive regional actions" in the Middle East, including stirring trouble in Iraq, Lebanon and Syria, and this led to a deterioration in relations[https://www.independent.co.uk/news/uk/politics/theresa-may-iran-aggressive-action-donald-trump-a7460051.html Theresa May accuses Iran of 'aggressive action' in the Middle East], The Independent, 7 December 2016 In response, Iran's Supreme Leader Ali Khamenei condemned Britain as a "source of evil and misery" for the Middle East.{{Cite news|url=http://europe.newsweek.com/khamenei-brands-britain-source-evil-533248|title=Iran's Khamenei brands Britain a 'source of evil' after Theresa May's comments|date=17 December 2016|newspaper=Newsweek|access-date=2016-12-20}}

The British intelligence officials concluded that Iran was responsible for a cyberattack on the British Parliament lasting 12 hours that compromised around 90 email accounts of MPs in June 2017.{{cite web|url=https://www.msn.com/en-gb/news/uknews/iran-blamed-for-cyberattack-on-parliament-that-hit-dozens-of-mps-including-theresa-may/ar-AAtpPag?li=AAmiR2Z&ocid=spartanntp|title=Iran blamed for cyberattack on Parliament that hit dozens of MPs, including Theresa May|work=The Telegraph|date=14 October 2017}}

On 7 July 2022, The Royal Navy of Britain reported that one of its warships had arrested smugglers in international waters south of Iran early this year after seizing Iranian armaments, including surface-to-air missiles and cruise missile engines.{{cite news |title=British navy says it seized smuggled Iranian missiles |url=https://www.reuters.com/world/uk-navy-says-it-seized-smuggled-iranian-missiles-2022-07-07/ |access-date=11 July 2022 |work=Reuters |agency=Reuters |publisher=Reuters |date=7 July 2022}}

On 28 November 2024, former British soldier, Daniel Khalife was found guilty of spying for Iran.{{Cite web |title=Daniel Khalife: Former British soldier found guilty of spying for Iran |url=https://www.bbc.com/news/articles/c75lyx9xrp4o |access-date=2024-12-01 |website=www.bbc.com |language=en-GB}}{{Cite news |last=Rawlinson |first=Kevin |date=2024-11-28 |title=Former soldier Daniel Khalife found guilty of spying for Iran |url=https://www.theguardian.com/uk-news/2024/nov/28/former-soldier-daniel-khalife-found-guilty-of-spying-for-iran |access-date=2024-12-01 |work=The Guardian |language=en-GB |issn=0261-3077}} His first known contact with Iranian intelligence occurred in September 2018, soon after he joined the military. He also contacted a man linked to the Islamic Revolutionary Guard Corps (IRGC) via Facebook and further built relationships with other Iranian contacts. During his military service, Khalife photographed a list containing the names of 15 soldiers, including some members of the elite Special Air Service (SAS) and Special Boat Service (SBS); it is believed that he sent the list to his Iranian contacts and later deleted the correspondence. He also collected a "very large body of restricted and classified material" and appears to have sent Iran at least two classified documents, one of which containing information on drones, the other on "Intelligence, Surveillance & Reconnaissance". One forged document Khalife sent to the Iranians stated that the British government refused to negotiate the release of Nazanin Zaghari-Ratcliffe, thereby putting her in danger.

File:HMS Montrose, a Type 23 Frigate, performed a series of tight turns, during Marstrike 05. MOD 45145955.jpg

On 4 July 2019, Royal Marines boarded the Iranian-owned tanker Grace 1 by helicopter off Gibraltar where it was detained. The reason given was to enforce European Union sanctions against Syrian entities, as the tanker was suspected of heading to Baniyas Refinery named in the sanctions that concern Syrian oil exports.{{cite web|title=Rechtliche Basis: Grace 1 steuerte "falschen" Adressaten in Syrien an – Iran – derStandard.at › International|periodical=Derstandard.at|url=https://www.derstandard.at/2000106526441|access-date=2019-07-22}}{{cite news |url=https://www.bbc.co.uk/news/uk-48865030 |title=Oil tanker bound for Syria detained in Gibraltar |work=BBC News |date=4 July 2019 |access-date=14 July 2019}} Gibraltar had passed regulations permitting the detention the day before.{{cite news |url=https://lloydslist.maritimeintelligence.informa.com/LL1128307/Gibraltar-extended-shipseizure-powers-day-before-tanker-interception |title=Gibraltar extended ship-seizure powers day before tanker interception |author=Michelle Wiese Bockmann |website=Lloyd's List |date=9 July 2019 |access-date=14 July 2019 |archive-url=https://web.archive.org/web/20190713214929/https://lloydslist.maritimeintelligence.informa.com/LL1128307/Gibraltar-extended-shipseizure-powers-day-before-tanker-interception |archive-date=13 July 2019 |url-status=dead }}{{cite web |url=https://fpc.org.uk/seizure-of-stena-imperio-by-iran-raises-questions-about-legality-of-gibraltars-detention-of-grace-1/ |title=Seizure of Stena Imperio by Iran raises questions about legality of Gibraltar's detention of Grace 1 |last=Linderman |first=Michelle |publisher=Foreign Policy Centre |date=23 July 2019 |access-date=24 July 2019}} Spain's foreign minister Josep Borrell stated that the detention was carried out at the request of the United States.{{cite news |url=https://www.bbc.co.uk/news/uk-48882455 |title=Iranian official threatens to seize British oil tanker |work=BBC News |date=5 July 2019 |access-date=14 July 2019}} An Iranian Foreign Ministry official called the seizure "piracy," stating that the UK does not have the right to implement sanctions against other nations "in an extraterritorial manner".{{cite news |url=https://edition.cnn.com/2019/07/04/uk/tanker-syria-gibraltar-intl-gbr/index.html |title=Gibraltar seizes Iranian oil tanker bound for Syria |author1=Bianca Britton |author2=Arnaud Siad |author3=Nada Bashir |author4=Samantha Beech |publisher=CNN |date=5 July 2019 |access-date=14 July 2019}}

On 10 July 2019, tensions were raised further when boats belonging to Iran's Islamic Revolutionary Guard Corps approached a British Petroleum tanker, British Heritage, impeding it while it was transiting the Strait of Hormuz. The Royal Navy frigate {{HMS|Montrose|F236|6}} positioned themselves between the boats and ship so that it could continue its journey.{{cite news |url=https://www.theguardian.com/world/2019/jul/11/iranian-boats-harass-british-oil-tanker-in-strait-of-hormuz |title=Iranian boats 'attempted to impede' British oil tanker in strait of Hormuz |last=McKernan |first=Bethan |newspaper=The Guardian |date=11 July 2019 |access-date=14 July 2019}}

On 14 July 2019, British Foreign Secretary Jeremy Hunt said Grace 1 could be released if the UK received guarantees the oil — 2.1 million barrels worth{{cite news|title=What Britain's release of an Iranian tanker says about its post-Brexit foreign policy|url=https://www.economist.com/britain/2019/08/19/what-britains-release-of-an-iranian-tanker-says-about-its-post-brexit-foreign-policy|newspaper=The Economist|date=19 August 2019}} — would not go to Syria.{{cite news |url=https://www.bbc.co.uk/news/48977093 |title=Iranian tanker will be released if oil isn't going to Syria, says Hunt |work=BBC News |date=14 July 2019 |access-date=14 July 2019}}

File:Stena Impero 2019-07-21 11.jpg soldiers]]

On 19 July 2019, Iran media reported that the Swedish owned but British-flagged oil tanker Stena Impero had been seized by the Iranian Revolutionary Guard in the Strait of Hormuz. A first tanker, MV Mesdar, which was a Liberian-flagged vessel managed in the UK, jointly Algerian and Japanese owned, was boarded but later released.{{cite news |title=Iran strikes in Strait of Hormuz as Middle East tanker tensions explode |url=https://www.tradewindsnews.com/tankers/iran-strikes-in-strait-of-hormuz-as-middle-east-tanker-tensions-explode/2-1-641469 |publisher=Trade Winds |date=22 July 2019}} Iran stated that the British-flagged ship had collided with and damaged an Iranian vessel, and had ignored warnings by Iranian authorities.{{Cite web|url=https://en.mehrnews.com/news/148051/Iran-pens-letter-to-UN-to-clarify-on-seizure-of-UK-oil-tanker|title=Iran pens letter to UN to clarify on seizure of UK oil tanker|date=Jul 24, 2019|website=Mehr News Agency|access-date=Aug 8, 2019}}{{cite web |url=https://undocs.org/pdf?symbol=en%2FS%2F2019%2F593 |title=Letter dated 23 July 2019 from the Chargé d' affaires a.i. of the Permanent Mission of the Islamic Republic of Iran to the United Nations addressed to the Secretary-General and the President of the Security Council |id=S/2019/593 |publisher=United Nations Security Council |date=23 July 2019 |access-date=16 August 2019 |archive-date=16 August 2019 |archive-url=https://web.archive.org/web/20190816104042/https://undocs.org/pdf?symbol=en%2FS%2F2019%2F593 |url-status=dead }} During the incident HMS Montrose was stationed too far away to offer timely assistance; when the Type 23 frigate arrived it was ten minutes too late. HMS Montrose was slated to be replaced by {{HMS|Duncan|D37|6}}, however in light of events it was decided that both ships would subsequently be deployed together.{{Cite news|url=https://www.bbc.com/news/uk-49053383|title=Iran 'seizes British-flagged oil tanker'|date=2019-07-19|access-date=2019-07-19|language=en-GB}}{{Cite news|url=https://www.bbc.com/news/uk-49063646|title=UK 'didn't take eye off ball' over tanker|work=BBC News|date=July 21, 2019}}

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On 15 August 2019 Gibraltar released Grace 1 after stating that it had received assurances she would not go to Syria.{{Cite web|url=https://www.lse.co.uk/news/uk-says-iran-must-abide-by-the-assurances-on-grace-1-tanker-azd65b4ojl5nxj4.html|title=UK says Iran must abide by the assurances on Grace 1 tanker {{!}} Financial News|website=www.lse.co.uk|language=en|access-date=2019-08-19}}{{Cite web|url=https://tass.com/world/1073644|title=Gibraltar frees tanker, securing Iran's assurances oil won't get to Syria — newspaper|website=TASS|access-date=2019-08-19}} The Iranian government later stated that it had issued no assurances that the oil would not be delivered to Syria and reasserted its intention to continue supplying oil to the Arab nation.{{Cite web|url=https://www.middleeastmonitor.com/20190817-iran-denies-giving-guarantees-to-divert-seized-tankers-destination/|title=Iran denies giving guarantees to divert seized tanker's destination|date=2019-08-17|website=Middle East Monitor|language=en-GB|access-date=2019-08-19}}{{Cite web|url=https://www.kurdistan24.net/en/news/37a7280f-df4c-42c8-9b4b-9d7ae38613cb|title=Iran says it will continue to send oil to Syria as supertanker's release nears|last=Kurdistan24|website=Kurdistan24|language=en|access-date=2019-08-19}}{{Cite web|url=https://en.farsnews.com/newstext.aspx?nn=13980525000482|title=Iran Dismisses Rumors about Giving Commitments to UK|date=16 August 2019|website=en.farsnews.com|access-date=2019-08-19}}{{Cite web|url=https://en.radiofarda.com/a/iran-s-ambassador-to-uk-says-tehran-has-given-no-guarantees-to-free-tanker/30111907.html|title=Iran's Ambassador To UK Says Tehran Has Given No Guarantees To Free Tanker|website=RFE/RL|language=en|access-date=2019-08-19}} On 26 August, Iranian government spokesman Ali Rabiei announced that the 2.1 million barrels of crude had been sold to an unnamed buyer, in either Kalamata, Greece or Mersin, Turkey. A US court issued a warrant of seizure against the tanker because it was convinced that the tanker was owned by the IRGC, which is deemed by Washington a foreign terrorist organization.{{cite news |title=Iran appears to outplay US in tanker saga, sells 2.1 million barrels of oil to unnamed buyer |url=https://www.scmp.com/news/world/middle-east/article/3024400/iran-appears-outplay-us-tanker-saga-sells-21-million-barrels |agency=AP |publisher=South China Morning Post |date=26 August 2019}}

On 15 August 2019 the UK's new Boris Johnson-led government agreed to join the U.S. in its Persian Gulf maritime security Operation Sentinel, abandoning the idea of a European-led naval protection force.{{cite news |url=https://www.theguardian.com/world/2019/aug/15/uk-caught-in-middle-of-us-power-play-with-iran |title=UK caught in middle of US power play with Iran |last=Sabbagh |first=Dan |newspaper=The Guardian |date=15 August 2019 |access-date=15 August 2019}}

On 4 September 2019 Iran released seven of the 23 crew members of the British-flagged oil tanker Stena Impero, which the Iranian forces had detained in August. The Iranian Foreign Ministry spokesman Abbas Mousavi stated that they have been released on humanitarian grounds. He said that their problem was the violation committed by the ship.{{cite web|url=https://www.thevoicefm.co.uk/news/world-news/iran-to-free-seven-out-of-23-crew-members-from-detained-british-flagged-ship-stena-impero/|title=Iran to free seven out of 23 crew members from detained British-flagged ship Stena Impero|access-date=4 September 2019|website=The Voice}}{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }} On 23 September, the Iranian authorities announced that the British-flagged tanker Stena Impero, which they had captured on July 19 in the Strait of Hormuz, was free to leave. According to the government spokesperson Ali Rabiei informed that the legal process concluded and all the conditions to let the oil tanker go were also fulfilled.{{cite web|url=http://www.laht.com/article.asp?ArticleId=2483632&CategoryId=13280|title=Iran Says Seized British-Flagged Tanker Free to Go|access-date=25 September 2019|website=Latin America Herald Tribune|archive-date=15 April 2020|archive-url=https://web.archive.org/web/20200415081958/http://www.laht.com/article.asp?ArticleId=2483632&CategoryId=13280|url-status=dead}} However, on September 24, it was reported that despite raising a green signal for the British tanker to leave the port, it remained in Iran waters. Swedish owner of Stena Impero, Erik Hanell said that they had no idea why the tanker was still there.{{cite web|url=https://thelevantnews.com/en/2019/09/seized-british-tanker-stena-impero-still-in-iran-stena-bulk-ceo/|title=Seized British tanker Stena Impero still in Iran: Stena Bulk CEO|access-date=24 September 2019|website=The Levant|date=24 September 2019|archive-date=25 September 2019|archive-url=https://web.archive.org/web/20190925110548/https://thelevantnews.com/en/2019/09/seized-british-tanker-stena-impero-still-in-iran-stena-bulk-ceo/|url-status=dead}} On 27 September, the Stena Impero departed from Iranian waters and made its way to Port Rashid in Dubai.{{cite news|title=UK-flagged tanker Stena Impero leaves Iranian port|url=https://www.aljazeera.com/news/2019/09/uk-flagged-tanker-stena-impero-seized-july-leaves-iranian-port-190927062425000.html|publisher=Al Jazeera|date=27 September 2019|access-date=27 September 2019}}{{cite news|url=https://www.bbc.com/news/world-middle-east-49849718|title=Stena Impero: Seized British tanker leaves Iran's waters|first=Jonathan|last=Marcus|publisher=BBC News|date=27 September 2019|access-date=27 September 2019}}{{cite news|url=https://www.npr.org/2019/09/27/764934720/british-flagged-tanker-leaves-iranian-waters-after-2-months-of-detention|title=British-Flagged Tanker Leaves Iranian Waters After 2 Months Of Detention|first=James|last=Doubek|publisher=NPR|date=27 September 2019|access-date=27 September 2019}} All of the remaining crew members who were still detained by Iran were released as well.{{cite news|url=https://www.voanews.com/a/middle-east_british-tanker-seized-july-leaves-iranian-port/6176572.html|title=British Tanker Seized in July Leaves Iranian Port|publisher=Voice of America, Reuters|date=27 September 2019|access-date=27 September 2019}}{{cite news|url=https://www.nytimes.com/2019/09/27/world/middleeast/iran-uk-oil-tanker-stena-impero.html|title=British-Flagged Tanker Leaves Iran, Two Months After It Was Seized|work=New York Times|date=27 September 2019|access-date=27 September 2019}} The ship was also able to transmit location signals before arriving at Port Rashid, Dubai,{{cite news|url=https://www.reuters.com/article/us-mideast-iran-tanker/british-tanker-docks-in-dubai-after-detention-by-iran-idUSKBN1WD0AZ|title=British tanker docks in Dubai after detention by Iran|publisher=Reuters|date=28 September 2019|access-date=28 September 2019}} after which the remaining crew members started undergoing medical checkups. The same day, HMS Duncan returned to Portsmouth.{{cite news|url=https://home.bt.com/news/uk-news/royal-navy-destroyer-returns-from-defending-british-shipping-in-hormuz-strait-11364398417702|title=Royal Navy destroyer returns from defending British shipping in Hormuz Strait|publisher=BT Group|date=28 September 2019|access-date=28 September 2019|archive-date=28 September 2019|archive-url=https://web.archive.org/web/20190928191342/https://home.bt.com/news/uk-news/royal-navy-destroyer-returns-from-defending-british-shipping-in-hormuz-strait-11364398417702|url-status=dead}}

Following the release of dual British-Iranian Nationals of Anoosheh Ashoori and Nazanin Zaghari-Ratcliffe and furlough of tri-national Morad Tahbaz on 16 March 2022, Iran then returned Morad Tahbaz back to detention within two days. On 14 January 2023, Iran executed dual British-Iranian Alireza Akbari.

In January 2025, Craig and Lindsay Foreman were detained in Iran on undefined security charges, and later charged with espionage.{{cite web |last=Media |first=PA |date=2025-02-18 |title=Britons Craig and Lindsay Foreman detained in Iran charged with espionage |url=https://www.theguardian.com/uk-news/2025/feb/18/britons-craig-and-lindsay-foreman-detained-in-iran-charged-with-espionage |access-date=2025-02-18 |website=The Guardian}} The couple had embarked on a motorbike trip around the world, with plans to stay in Iran for only five days. Richard Ratcliffe has urged the UK government to act "more promptly" to help the British citizens currently detained in Iran, as it took the government six years to secure the release of his wife, Nazanin Zaghari-Ratcliffe. Mr. Ratcliffe also stated that traveling to Iran should be "a lot clearer" and that the Foreign Office travel guidelines should clearly reflect "the risks of hostage-taking."{{cite news|last=Mercer|first=David|title=Couple held in Iran need 'prompt' UK action, says Nazanin's husband|date=17 February 2025|work=BBC|url= https://www.bbc.com/news/articles/cz9e9wlp101o|access-date=17 February 2025}}

In April 2023, the European Union, along with Britain, imposed sanctions on over 30 Iranian officials and organizations, including units of the revolutionary guards, due to their alleged involvement in human rights abuses during a crackdown on civil unrest. In response, Iran threatened sanctions of their own.{{Cite web |date=2023-01-24 |title=Iran threatens retaliation after new sanctions imposed by EU, Britain |url=https://www.hindustantimes.com/world-news/iran-threatens-retaliation-after-new-sanctions-imposed-by-eu-britain-101674541968625.html |access-date=2023-01-27 |website=Hindustan Times |language=en}}

In July 2023 the UK government said it planned to sanction officials from Iran. The UK's foreign secretary said that since 2022 there had been "15 credible threats by Iran's regime to kill or kidnap Britons or UK-based people".{{Cite web |title=UK to sanction Iran after credible threats from regime|url=https://www.bbc.com/news/uk-66119534|website=BBC|language=en}}

• Iranians in the United Kingdom
• Foreign relations of Iran
• Foreign relations of the United Kingdom
• 2007 Iranian seizure of Royal Navy personnel
• 2011–12 Strait of Hormuz dispute
• British School of Tehran
• Old fox, a term used by Iranians to describe Britain.

{{reflist|2}}

{{commons category|Relations of Iran and the United Kingdom}}

• [http://news.bbc.co.uk/2/hi/middle_east/3077540.stm Iran-UK relation timeline: BBC]
• [http://www.parstimes.com/politics/uk-iran-relations/ UK-Iran relations - parstimes.com]
• [http://www.bicc.org.uk/ The British-Iranian Chamber of Commerce]
• [http://www.iransoc.dircon.co.uk/ The Iran Society of London] {{Webarchive|url=https://web.archive.org/web/20060207170021/http://www.iransoc.dircon.co.uk/ |date=2006-02-07 }}
• [http://www.ibchamber.org/ The Irano-British Chamber of Commerce] {{Webarchive|url=https://web.archive.org/web/20060221011415/http://www.ibchamber.org/ |date=2006-02-21 }}
• [http://london.mfa.ir/ Iran's Embassy in London]
• [https://web.archive.org/web/20080828025942/http://ukiniran.fco.gov.uk/en The British Embassy in Tehran]

{{Iran-United Kingdom relations}}

{{Foreign relations of Iran}}

{{Foreign relations of the United Kingdom}}

{{DEFAULTSORT:Iran-United Kingdom Relations}}

United Kingdom

Category:Bilateral relations of the United Kingdom