
The UK has declined to join President Trump’s proposed blockade of the Strait of Hormuz, creating a new diplomatic rift between London and Washington over how to respond to the Iran crisis. The decision complicates U.S. plans for a unilateral maritime blockade and strengthens the push among allies for alternative, coordinated responses to reopen the waterway. It also highlights a split in UK policy—supporting some U.S. military options such as allowing strikes from British bases while rejecting direct participation in a blockade—which will affect alliance cohesion and market expectations.
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