The Kremlin said it reserves the right to use nuclear weapons if it faces aggression by Western countries. Overnight, Moscow attacked Kyiv, killing at least eight people.

The president said he has a "deadline" in mind for talks to make progress, though he did not say what it was. Trump administration officials say they had initially hoped to have secured a negotiated settlement before the 100th day of the president's second term next Tuesday, but that that goal now seems like a pipedream.