It is hard to overplay the sense of despondency and sheer dread felt by Downing Street insiders as they watched Donald Trump and Volodymyr Zelensky trade barbs in the Oval Office.

Downing Street confirmed the Prime Minister will join other European leaders at the meeting in the Oval Office.

Keir Starmer will jet to Washington, DC, to stand side-by-side with the Ukrainian wartime leader and a host of European allies to discuss an end to Russia's bloody invasion