The president announced that “Russia and Ukraine will immediately start negotiations toward a Ceasefire and, more importantly, an END to the War.”

By Guy Faulconbridge, Steve Holland and Max Hunder MOSCOW/WASHINGTON/KYIV (Reuters) -U.S. President Donald Trump spoke to Russia's Vladimir Putin about Ukraine on Monday, after Vice President JD Vance said Washington could walk away from the peace process and conclude that "this is not our war".