Keir Starmer says the UK has not been involved in the US-Israeli strikes, but warned that 200,000 British people are in countries being targeted by Iran
Rowena Mason Whitehall editor and Helena Smith in Athens
Mar 2, 2026
The UK has agreed to let the US use British military bases to attack Iranian missile sites, Keir Starmer has said.
The UK has so far not been involved in the US-Israeli strikes on Iran, but in a recorded statement on Sunday evening, the prime minister said that Iran’s approach was becoming more reckless and putting British lives at risk, leading to the decision to allow the US to use two of its military bases.
Within hours of the prime minister’s statement, the UK’s Akrotiri air force base in Cyprus was hit by a suspected drone, with only “minor damage” and no casualties.
The government also released a summary of its legal position, saying: “The UK is acting in the collective self-defence of regional allies who have requested support.”
“The US has requested permission to use British bases for that specific and limited defensive purpose.
“We have taken the decision to accept this request – to prevent Iran firing missiles across the region … killing innocent civilians … putting British lives at risk … and hitting countries that have not been involved.”
He said that British jets were in the air as part of coordinated defensive operations, which he said had “already successfully intercepted Iranian strikes”.
In a joint statement with France and Germany released earlier on Sunday, the UK said: “We will take steps to defend our interests and those of our allies in the region, potentially through enabling necessary and proportionate defensive action to destroy Iran’s capability to fire missiles and drones at their source.”
Hours later alerts, thought to have been issued by the Ministry of Defence, were sent to military personnel and their families at Akrotiri air force base in Cyprus late on Sunday, warning of an ongoing security threat.
A Ministry of Defence spokesperson said in a statement: “Our force protection in the region is at the highest level and the base has responded to defend our people.”
The UK’s deeper involvement in the conflict is likely to be controversial, with many in Labour and on the left, including Emily Thornberry, the Labour chair of the foreign affairs committee, who has said the US’s action was in breach of international law.
After Starmer’s announcement on Sunday evening, the Liberal Democrats demanded that MPs be given a say on whether the US can use British bases.
The Lib Dem leader, Ed Davey, said: “No matter how the prime minister tries to redefine offensive as defensive, this is a slippery slope. He must not let Trump drag Britain into another prolonged war in the Middle East. Starmer must come to parliament tomorrow, set out the legal case in full, and give MPs a vote.
“We have a duty to defend our brave British troops and citizens in the region, and that must be the focus of any operations. The UK must not be complicit in illegal military action.”
Zack Polanski, the leader of the Green party, speaking to the BBC earlier, said the US action amounted to an “illegal and unprovoked attack”.
However, Starmer had also come under pressure from the Conservatives and Reform UK to offer more support to Trump.
The UK government has declined to say it supports Trump’s military action, which the US has said killed about 48 Iranian leaders, and refused to be drawn on whether this was lawful.
At the same time, it has declined to condemn the strikes, with the defence secretary, John Healey, saying on Sunday morning that few would mourn Iran’s supreme leader, Ali Khamenei.
“I think few people will mourn the ayatollah’s death, not least the families and friends of the thousands of protesters murdered on the streets of Iranian cities,” he said.
“Iran and the regime he’s led for so long, it’s a source of evil – murdering its own citizens and sponsoring and exporting terror.”
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