Secretary of State Marco Rubio said that the U.S. could "move on" from its involvement in negotiations to end the war in Ukraine if no progress is made "within a matter of days."

The Trump administration made clear it will abandon peace attempts for Ukraine if Russia fails to adhere to any terms, but the president did not say whether there would be consequences.

U.S. efforts to mediate peace talks between Russia and Ukraine are reaching a pivotal moment, with President Trump saying both sides need to quickly show progress or his administration will exit