Donald Trump said the UK should make its own attempts to unblock the Strait of Hormuz to get oil supplies going again (Leon Neal/PA) (PA Archive).
Britain is to deploy extra troops to the Middle East, bringing Britain’s military presence to around 1,000.
Iran has imposed a de facto blockade on the waterway, upending global oil and gas supplies, which have caused energy prices to surge.
It is not the first time President Trump and Sir Keir have been at loggerheads during the war.
Within weeks, President Trump had said he was "not happy" with the UK, saying it "should be involved enthusiastically" in efforts to reopen the Strait.
He also said Sir Keir was “no Winston Churchill’ and later branded Nato allies, including the UK, “cowards”. »