• Diplomatic rift emerges as Trump criticizes UK Prime Minister Keir Starmer for initially denying US use of British bases during US-Israeli strikes on Iran.
  • Starmer later approved limited base access for defensive purposes, citing national interest and legal concerns, while emphasizing lessons from the Iraq War.
  • Tensions strain the historic US-UK 'special relationship,' with potential spillover risks to UK economic interests in Ukraine aid and broader transatlantic ties.

US President Donald Trump has sharply criticized UK Prime Minister Keir Starmer, calling him "very, very uncooperative" after Starmer initially refused to allow US use of British bases during recent US-Israeli strikes on Iran. Trump stated the historic US-UK relationship is "not what it used to be," according to sources familiar with the matter, highlighting a diplomatic rift that has escalated amid Middle East conflict.

Starmer later approved limited use of bases, such as those in Gloucestershire, England, and Diego Garcia, for defensive purposes after Iranian missiles threatened British interests. In Parliament, Starmer defended his stance, prioritizing "Britain’s national interest" over immediate US alignment and rejecting what he termed "regime change from the skies." He emphasized the legal basis for the decision and lessons learned from the Iraq War, a move that has drawn both support and criticism domestically.

The fallout has broader implications for transatlantic ties, with experts warning of reduced US support impacting UK security and trade. Richard Whitman, an analyst, described the situation as a "new, not-so-special relationship," noting that Trump's fixation on the UK could be "disastrous" for economic interests, particularly in areas like Ukraine aid. Trump, meanwhile, praised France and Germany as more supportive, signaling shifting US-European priorities that could affect global alliances.

In the UK, opposition figures like Robert Jenrick have lambasted Starmer's approach, with Jenrick criticizing the prime minister harshly on GB News, reflecting domestic debate over entanglement in US-led wars. Government ministers, such as Darren Jones, have backed the cautious strategy to protect national security, highlighting the tightrope Starmer walks between maintaining US ties and asserting UK autonomy.

Market observers note that oil price volatility from the Iran strikes has heightened global energy insecurity, adding economic pressure to the diplomatic strain. The UK's efforts to court Trump post-2025 inauguration, including plans for a state visit with King Charles III, now appear set back, complicating future negotiations. As tensions simmer, analysts predict possible US reprisals on issues like Ukraine aid or trade, with long-term implications for UK balancing acts in European and Middle East policies.

Correction: An earlier version of this article misstated the location of a UK base; it is Akrotiri in Cyprus, not Gloucestershire, that was hit by Iranian retaliation.