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FRI · 2026-03-20 · 10:20 GMTBRIEF NSR-2026-0320-26310
News/UK letting US use its bases is ‘participation in aggression’…
NSR-2026-0320-26310News Report·EN·Diplomatic

UK letting US use its bases is ‘participation in aggression’, Iran’s foreign minister tells Yvette Cooper – UK politics live

In a phone call, Iran's foreign minister, Abbas Araghchi, told UK Foreign Secretary Yvette Cooper that Iran views the UK allowing the US to use its bases as "participation in aggression." This follows Keir Starmer granting the US permission to use RAF Fairford and Diego Garcia for "defensive" action against Iranian missile sites. Araghchi stated this action would be recorded negatively in the history of UK-Iran relations and that Iran reserves the right to defend its sovereignty.

Andrew SparrowThe Guardian - World NewsFiled 2026-03-20 · 10:20 GMTLean · Center-LeftRead · 11 min
UK letting US use its bases is ‘participation in aggression’, Iran’s foreign minister tells Yvette Cooper – UK politics live
The Guardian - World NewsFIG 01
Reading time
11min
Word count
2 569words
Sources cited
3cited
Entities identified
12entities
Quality score
100%
§ 01

Briefing Summary

AI-generated
NEWSAR · AI

In a phone call, Iran's foreign minister, Abbas Araghchi, told UK Foreign Secretary Yvette Cooper that Iran views the UK allowing the US to use its bases as "participation in aggression." This follows Keir Starmer granting the US permission to use RAF Fairford and Diego Garcia for "defensive" action against Iranian missile sites. Araghchi stated this action would be recorded negatively in the history of UK-Iran relations and that Iran reserves the right to defend its sovereignty. The UK has faced criticism from the US for its response to requests for support in the Strait of Hormuz, amidst heightened concerns about fossil fuel supply security due to tensions in the Gulf.

Confidence 0.90Sources 3Claims 5Entities 12
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Article analysis

Model · rule-based
Framing
Diplomatic
National Security
Tone
Measured
AI-assessed
CalmNeutralAlarmist
Factuality
0.70 / 1.00
Factual
LowHigh
Sources cited
3
Well sourced
FewMany
§ 03

Key claims

5 extracted
01

YouGov published a poll showing the Green party in second place in general election voting intention.

factualYouGov
Confidence
1.00
02

Araghchi told Cooper: “These actions will definitely be considered as participation in aggression.

quoteAraghchi
Confidence
1.00
03

Iran's foreign minister warned the UK that letting the US use British bases is 'participation in aggression'.

quoteIran’s foreign minister Abbas Araghchi
Confidence
1.00
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The UK has faced repeated criticism from Donald Trump since the war began.

factualnull
Confidence
0.90
05

Keir Starmer granted the US permission for “defensive” action against Iranian missile sites from RAF Fairford and Diego Garcia.

factualPress Association
Confidence
0.90
§ 04

Full report

11 min read · 2 569 words
From 1h agoIran's foreign minister tells Yvette Cooper UK letting US use bases is ‘participation in aggression’Iran’s foreign minister has warned the UK it sees its choice to let the US use British bases as “participation in aggression” in a phone call with Yvette Cooper, the foreign secretary, the Press Association reports. PA says: double quotation markIranian foreign minister Abbas Araghchi criticised the “negative and biased approach of Britain” towards the US-Israeli military action against Iran, as well as the UK’s decision to provide military bases for the US to use. Keir Starmer has granted the US permission for “defensive” action against Iranian missile sites from RAF Fairford in Gloucestershire and Diego Garcia in the Indian Ocean. In a post in Farsi on Telegram, Araghchi said he told Cooper: “These actions will definitely be considered as participation in aggression and will be recorded in the history of relations between the two countries. “At the same time, we reserve our inherent right to defend the country’s sovereignty and independence.” The UK has faced repeated criticism from Donald Trump since the war began, and is among countries the US president has recently berated for failing to respond to his request for support in the Strait of Hormuz. Tehran’s throttling of the key shipping route and attacks on energy facilities across the Gulf have heightened concerns about the security of the supply of fossil fuels. This morning oil and gas prices retreated after painful cost spikes the previous day and financial markets calmed at the end of another turbulent week. Key events11m agoZack Polanski says he wants Greens to hold balance of power after election, letting them push for PR and wealth tax1h agoReform UK brushes off concerns about extremism of some of its MSP candidates, with one saying Humza Yousaf 'not British'1h agoAttorney general Richard Hermer asks if Kemi Badenoch would object to Jewish public prayer1h agoIran's foreign minister tells Yvette Cooper UK letting US use bases is ‘participation in aggression’1h agoRightwing narrative fuelling false belief UK public oppose net zero, study finds1h agoReform UK's record in local government shows it 'doesn't accept need for evidence-based policymaking', report says2h agoReform UK success in local elections could endanger national climate targets, report saysShow key events onlyPlease turn on JavaScript to use this featureZack Polanski says he wants Greens to hold balance of power after election, letting them push for PR and wealth taxEarlier this week YouGov published a poll showing the Green party in second place in general election voting intention. The Greens were on 19%, behind Reform UK (25%), but ahead of the Conservatives and Labour (both on 17%) and and the Liberal Democrats (both on 14%). Most other polls have not put the Greens quite this high but, as Politico’s poll of polls shows, they do show the Greens competitive with what until recently we used to call the two main parties in UK politics.Poll of polls Photograph: PoliticoAll of this explains why Zack Polanski, the Green party leader, has said that he now starts to think about the possibility that he might one day become prime minister. He said this in an interview with the BBC’s Nick Robinson for his Political Thinking podcast.When Robinson asked him if his party’s recent success meant he thought there was a chance of becoming PM, Polanski replied: double quotation markThat really isn’t the target right now. When Robinson suggested this prospect must be on Polanski’s mind, Polanski replied: double quotation markIt’s definitely in my mind because I get asked about it all the time. But my burning ambition really is to have a wealth tax, action on the climate and proportional representation. I think a change to the voting system is a huge prize. But Polanski said that his main goal was for the Green party to be able to hold the balance of power at Westminster after the election. He said that, when he was campaigning to be leader last summer, he said that his ambition was for the party to have 30 to 40 MPs after the next election. (Currently they’ve got five.) But he said that target now feels “under-ambitious”.He added: double quotation markThe next step is to win a lot more MPs and potentially hold the balance of power and then I think that’s really interesting because you’re having conversations about proportional representation, a wealth tax, climate action and various other policies to reduce people’s cost of living and make life better for everyone in this country. I will post more from the interview later. The BBC write-up is here.Polanski speaking at a New Economics Foundation event on Wednesday. Photograph: James Manning/PAReform UK brushes off concerns about extremism of some of its MSP candidates, with one saying Humza Yousaf 'not British'Severin CarrellSeverin Carrell is the Guardian’s Scotland editor.Reform UK’s Scottish leader, Malcolm Offord, has reportedly brushed off questions about the views of Holyrood candidates accused of spreading false rumours about asylum hotels, of describing Humza Yousaf as an “Islamist moron”, and of backing Tommy Robinson.Offord and Nigel Farage, the Reform UK leader, unveiled the party’s slate of 73 Scottish parliament candidates at a country club west of Glasgow on Thursday, claiming they were on course to become Holyrood’s second largest party.The Courier newspaper reported on Friday that its candidate for North East Fife, Linda Holt, had described Yousaf, the UK’s first Muslim first minister, as “not British” and a “grandstanding Islamist moron” in social media posts.It said that Rachael Wright, its candidate for Stirling, shared a petition which wrongly claimed a former private school in Perthshire was being “turned into migrant accommodation”. The school’s owners said that claim was “wholly unfounded”, but Reform asserted that denial was a result of its intervention.Offord told the Courier: double quotation markI can’t comment on individual cases. We’ve only just announced the 73 candidates. What I’m very clear about is we’ve done a very, very thorough vetting of those. Inevitably there might be some comments people have made in the past, we’ve all made those comments in the past. The Record reported that Senga Beresford, Reform’s candidate for Galloway and West Dumfries, endorsed social media posts by Tommy Robison and Britain First, including tweets calling for mass deportations and a ban on burqas. The paper said a Reform spokesperson said they were aware of the remarks, which were “not criminal.”In January, Farage was pressed by the Guardian on whether Reform UK’s vetting was robust enough in the wake of the conviction of Nathan Gill, his former Ukip ally and Welsh Reform leader, for accepting Russian bribes. He replied: double quotation markIt has been piss poor in the past and it won’t be in the future ... I promise you, I promise you, we are doing everything we can to make sure these candidates for the Scottish parliament are vetted, and are fit and proper people to put before the electorate. Whether you agree with their views or not, is a separate matter but they’re fit and proper people in every way. Malcolm Offord at the launch of Reform UK’s Scottish manifesto yesterday. Photograph: Jeff J Mitchell/Getty ImagesAttorney general Richard Hermer asks if Kemi Badenoch would object to Jewish public prayerRichard Hermer, the attorney general, has challenged Kemi Badenoch to say whether she would object to Jewish prayer in public, after the Conservative leader backed one of her shadow ministers who said an Islamic prayer event was intimidating and un-British, Peter Walker reports.Iran's foreign minister tells Yvette Cooper UK letting US use bases is ‘participation in aggression’Iran’s foreign minister has warned the UK it sees its choice to let the US use British bases as “participation in aggression” in a phone call with Yvette Cooper, the foreign secretary, the Press Association reports. PA says: double quotation markIranian foreign minister Abbas Araghchi criticised the “negative and biased approach of Britain” towards the US-Israeli military action against Iran, as well as the UK’s decision to provide military bases for the US to use. Keir Starmer has granted the US permission for “defensive” action against Iranian missile sites from RAF Fairford in Gloucestershire and Diego Garcia in the Indian Ocean. In a post in Farsi on Telegram, Araghchi said he told Cooper: “These actions will definitely be considered as participation in aggression and will be recorded in the history of relations between the two countries. “At the same time, we reserve our inherent right to defend the country’s sovereignty and independence.” The UK has faced repeated criticism from Donald Trump since the war began, and is among countries the US president has recently berated for failing to respond to his request for support in the Strait of Hormuz. Tehran’s throttling of the key shipping route and attacks on energy facilities across the Gulf have heightened concerns about the security of the supply of fossil fuels. This morning oil and gas prices retreated after painful cost spikes the previous day and financial markets calmed at the end of another turbulent week. Rightwing narrative fuelling false belief UK public oppose net zero, study findsPolitical elites are out of step with the public appetite for net zero, according to analysis that identifies rightwing media narratives as fuelling a false backlash against climate action. Damien Gayle has the story.Reform UK's record in local government shows it 'doesn't accept need for evidence-based policymaking', report saysHere is an extract from the conclusion to the report from the Grantham Research Institute on Climate Change and the Environment on Reform UK’s approach to climate change in the councils it runs. double quotation markThe key finding from this study is that councils led by Reform UK are largely delivering on the party’s pledge to scrap net zero at the local level, and that ”scrapping net zero” is not only a policy position but a signal of a broader retreat from taking climate change seriously. This takes the form of both climate change delay, where commitments are weakened or deferred, and outright climate change denial, where the anthropogenic origin of climate change is rejected. Voters should be aware that this is the case, despite the party’s lack of an explicit position on climate change. The promotion of climate change denial by both its national leadership and many of its local councillors indicates that Reform UK is failing to recognise the growing risks the British public face from climate change impacts, including rising sea levels, heavier rainfall and more intense heatwaves. It also demonstrates that the party does not accept the need for evidence-based policymaking. If Reform UK expands its council base in the upcoming local elections, further climate target rollback, the dismantling of scrutiny structures and the withdrawal of voluntary emissions reporting should be expected. Given the vital role local authorities need to play in helping the UK reach its statutory target of net zero emissions by 2050, the government should consider strategic options including incentives to promote progress, rather than assuming voluntary action, and making standardised emissions reporting mandatory, to track progress of programmes that reduce emissions. Reform UK success in local elections could endanger national climate targets, report saysGood morning. Seven weeks from today, counting will be taking place for the English local elections and, unless the polls are more wrong than they have ever been before, Reform UK will be celebrating record wins. The commentary will focus on the implications for national politics. But councils have significant powers, and a report today says Reform wins in local government could have a significant impact on climate policy.We know that Reform UK are opposed to net zero, and they have pledged to cut green subsidies, but there is still some lack of clarity as to exactly what they would do on climate policy more generally. Some Reform UK figures refuse point-blank to acknowledge that human-made global heating is a reality. Others claim they are just opposed to the pace of transition to renewables. But Nigel Farage, the party leader, has a long history of climate change scepticism.To explore this in more detail, the Grantham Research Institute on Climate Change and the Environment at the LSE has invesgtigated what Reform UK has been doing in the councils it has been running since it won them last May, and it has published its report this morning. Here are the key findings. double quotation mark• Seven Reform UK-led councils have “scrapped” their climate targets and climate change denial has been expressed by Reform UK councillors in five councils. Some of these councils have removed content about climate change from strategy documents. • While work related to reducing greenhouse gas emissions continues in these councils, mitigating climate change is no longer explicitly cited as the motivation. • However, there is variation in how “scrapping net zero” is being implemented, reflecting an apparent divergence of views within the party. • There is also a lack of clarity in the party’s claims of how “scrapping net zero” has achieved financial savings and how the party defines expenditure on net zero. • Reform UK is likely to win control of more local authorities in May 2026, including further unitary authorities with responsibilities for planning applications and housing, policy areas of importance to national climate targets. • National government will face greater challenges in ensuring that local authorities contribute to the delivery of legislative and policy climate goals if Reform UK wins more seats. This chart sets out what has been happening in the 10 councils where Reform UK has full control. Photograph: Grantham Research Institute on Climate Change and the EnvironmentEdward de Quay, one of the analysts who wrote the report, said: double quotation markIn our study we found that ‘scrapping net zero’ is not only a policy position but a signal of a broader retreat from treating climate change as urgent. This takes the form of both delaying action and outright climate change denial. Voters should be aware that this is the case. In the upcoming local elections in May, should Reform UK expand its council base, we can expect further retreat from climate action. The government must be alert to this challenge, given the importance of local authorities to the delivery of national climate goals. Here is the agenda for the day.Morning: Steve Reed, the housing secretary, is on a visit.10am: Peers resume their debate on the assisted dying bill.11.30am: Downing Street holds a lobby briefing.Afternoon: Kemi Badenoch is on a visit in the south of England.If you want to contact me, please post a message below the line when comments are open (between 10am and 3pm), or message me on social media. I can’t read all the messages BTL, but if you put “Andrew” in a message aimed at me, I am more likely to see it because I search for posts containing that word.If you want to flag something up urgently, it is best to use social media. You can reach me on Bluesky at @andrewsparrowgdn.bsky.social. The Guardian has given up posting from its official accounts on X, but individual Guardian journalists are there, I still have my account, and if you message me there at @AndrewSparrow, I will see it and respond if necessary.I find it very helpful when readers point out mistakes, even minor typos. No error is too small to correct. And I find your questions very interesting too. I can’t promise to reply to them all, but I will try to reply to as many as I can, either BTL or sometimes in the blog.
§ 05

Entities

12 identified
§ 06

Keywords & salience

8 terms
iran
1.00
uk
0.90
us
0.80
aggression
0.70
military bases
0.60
international relations
0.50
foreign policy
0.50
yvette cooper
0.40
§ 07

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