Zelensky was welcomed to the White House by Trump, but the cordial meeting quickly descended into a shouting match as Trump told his Ukrainian counterpart to be more thankful for US aid and accused him of "gambling with World War Three".

Sir Keir Starmer’s intervention came after a terse exchange in the White House’s Oval Office between Volodymyr Zelensky and US President Donald Trump.

LONDON — In almost every way, British Prime Minister Keir Starmer will walk into the White House on Thursday as an alien in President Donald Trump’s MAGA universe: a former human rights lawyer, a onetime top prosecutor and, after vanquishing Conservatives in elections last summer, the United Kingdom’s most liberal leader in more than a decade.