On Sunday, Secretary of State Marco Rubio, who sat in on the meetings with Mr. Putin at the American air base outside of Anchorage, disputed the idea that the Europeans were coming as a posse to protect Mr. Zelensky from a repeat of the February shouting match.

Trump will greet Zelensky the White House at 1pm local time (6pm BST) and the pair will then have a bilateral meeting beginning at 1.15pm (6.15pm). Following this, Trump will take part in a meeting with European leaders who have travelled to Washington to back Zelensky - this meeting is scheduled for 3pm local time (8pm BST).