Editorial: The prime minister says foreign and domestic policy must be more closely unified. The problem is that he is failing to do it

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

The Prime Minister's meeting with the wartime leader comes a day before Donald Trump is set to hold face-to-face discussions with his Russian counterpart Vladimir Putin this week.