Keir Starmer will meet Wes Streeting for talks tomorrow, after a day that saw his leadership come under significant pressure.
The meeting comes as four ministers resigned and more than 80 Labour MPs called for Sir Keir to go.
Trump gives conflicting messages on prominence of Iran war in upcoming talks, with his administration emphasising trade.
Russian president also says he is willing to meet Zelenskyy in a third country if a long-term peace deal is reached.