Donald Trump has hit out at Prince Harry, saying he "is not speaking for the UK" following comments made by the Duke of Sussex about the US administration during a surprise visit to Ukraine.
The US president also claimed he was "speaking for the UK more than Prince Harry" after the King's son urged Washington to honour its obligations in the Ukrainian conflict.
Speaking at the Kyiv Security Forum on Thursday, Harry - on his third trip to Ukraine since the war began in 2022 - insisted he was "not here as a politician" but as a "humanitarian" and "a soldier who understands service".
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He called on the American leadership to uphold its "international treaty obligations" in what he described as the US's "enduring role in global security" - although he did not mention Mr Trump by name.
The Duke of Sussex said: "The United States has a singular role in this story. Not only because of its power, but because when Ukraine gave up nuclear weapons, America was part of the assurance that Ukraine's sovereignty and borders would be respected.
"This is a moment for American leadership, a moment for America, to show that it can honour its international treaty obligations - not out of charity but out of its enduring role in global security and strategic stability."
Mr Trump's criticism of Harry comes just days before the King is due to arrive in the US for a state visit to mark the 250th anniversary of American independence.
Charles and Queen Camilla will travel on Monday for a four-day trip during which they will meet the US president and First Lady.
The visit will also involve Charles addressing Congress, a state dinner and a commemoration of the 25th anniversary of the 9/11 attacks.
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Mr Trump, who in recent weeks has been highly critical of Sir Keir Starmer and the UK government in relation to the Iran war, has said the visit of the royals could "absolutely" mend relations between the two nations.
He previously hit out at the prime minister, saying "this is not Winston Churchill we're dealing with" after Sir Keir initially refused to allow the US access to UK military bases at the start of the Middle East conflict.
In a call with Sky's US correspondent Mark Stone earlier this month, Mr Trump described Britain's immigration policies as "insane" and lamented the "sad" state of the US's special relationship with the UK.
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