Starmer Vows 'I Will Not Yield' as Trump Threatens UK Over Iran War Stance
Prime Minister Keir Starmer has delivered a defiant message to US President Donald Trump at Prime Minister's Questions, insisting the United Kingdom will not be dragged into the US-Israel war against Iran, even as Trump threatened to tear up a trade deal with Britain over its refusal to join the military campaign.
During a charged session in the House of Commons on Wednesday, Starmer faced questions from across the chamber about the UK's position on the escalating Middle East conflict, which has seen the United States impose a naval blockade on all vessels travelling to or from Iranian ports since 13 April.
Key Developments
Liberal Democrat leader Ed Davey pressed the Prime Minister on reports that President Trump had threatened to "rip up" a trade deal with the UK unless Britain joined the military campaign. Starmer was unequivocal in his response: "I'm not going to change my mind, I'm not going to yield," he told MPs, adding that the UK-US relationship was "far greater than anyone who occupies any particular office."
Conservative leader Kemi Badenoch also challenged Starmer on the delayed publication of the government's defence investment plan, citing criticism from Lord George Robertson, a former NATO secretary general, who warned of "corrosive complacency" in British defence policy. Starmer pushed back, insisting his government had committed to "the biggest boost to defence spending since the Cold War."
Chancellor Rachel Reeves echoed the Prime Minister's cautious stance, telling reporters she was "not convinced that this conflict has made the world a safer place" and questioning whether the war's objectives had been clearly defined before hostilities began.
Background
The conflict began in late February 2026 when the United States and Israel launched military operations against Iran. The subsequent closure of the Strait of Hormuz — first by Iran and then by a US naval blockade — has sent global energy prices soaring, with British families and businesses bearing the brunt of higher fuel and heating costs.
Starmer has consistently maintained that any UK military involvement would require a clear legal basis and a well-defined strategic plan. He announced that the UK, alongside more than 40 nations, is working to restore freedom of navigation in the Strait, and that Britain and France will co-host a summit to develop a coordinated multinational response to safeguard shipping once the conflict ends.
Why It Matters
The standoff between London and Washington represents one of the most significant strains in the UK-US special relationship in recent memory. With energy prices rising sharply and the cost of living already a dominant political issue, the government faces pressure from both sides — those urging solidarity with Washington and those warning against entanglement in a costly foreign war.
What's Next
The UK-France summit on maritime security is expected to take place in the coming weeks. Meanwhile, the government's long-awaited defence investment plan — described by Starmer as "the first line-by-line review of defence budgets for 18 years" — is expected to be published "as soon as possible," though no firm date has been given. Diplomatic efforts to broker a negotiated end to the Iran conflict continue, with US-Iran talks reported to be resuming in Islamabad.
For the latest updates, see the BBC News live coverage of PMQs.
