The Kremlin said on Friday that some progress had already been made in talks about a possible peace settlement to end the war in Ukraine but that contacts were rather complicated with the United States.

A new meeting is expected next week in London, and Rubio suggested that could be decisive in determining whether the Trump administration continues its involvement.

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