U.S. President Donald Trumpis expected to speak with his Russian counterpart Vladimir Putinthis week on ways to end the three-year war in Ukraine, U.S. envoy Steve Witkoff told CNN on Sunday after returning from what he described as a "positive" meeting with Putin in Moscow.

Ukraine's allies have agreed to put pressure on Russian President Vladimir Putin to agree to a legitimate cease-fire proposal after a virtual summit of Western nations' leaders that didn't include the United States.