The prime minister says there is ‘viable’ chance of a ceasefire as Trump vows ‘severe consequences’ for Russia if Putin continues the war

The Prime Minister is set to join other European leaders for a videoconference with Mr Trump and US Vice-President JD Vance on Wednesday.

The call on Wednesday will include Sir Keir, Volodymyr Zelensky, Emmanuel Macron and Friedrich Merz, who will later be joined by the US President.