UPDATE 1-Witkoff to meet with Russian leadership in Moscow on Wednesday, source says

U.S. special envoy Steve Witkoff will be in Moscow on Wednesday to meet with Russian leadership, a source familiar with the plan said on Tuesday.

Officials in Washington provided few details of Witkoff's schedule. "The president has noted, of course, that Special Envoy Witkoff will be traveling to Russia this week, so we can confirm that from this podium," State Department spokesperson Tammy Bruce told reporters.

"What that will entail, I have no details for you." Russia's state-run TASS news agency, quoting aviation sources, said an aircraft believed to have Witkoff on board, had already left the United States.

U.S. President Donald Trump, who has signaled frustration with Kremlin leader Vladimir Putin in recent weeks, has given him until this Friday to make progress toward peace in Ukraine or face tougher sanctions.

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