The US warned it may withdraw from mediating the Russia-Ukraine conflict unless both sides present concrete proposals, indicating frustration with the lack of progress.

Secretary of State Marco Rubio warned Tuesday that the United States would give up on mediation unless Russia and Ukraine put forward “concrete proposals,” ...

From Dominic Lieven, Fellow of the British Academy, Honorary and Emeritus Fellow, Trinity College, University of Cambridge, UK ...

WASHINGTON: The US says it will step away from peace talks between Russia and Ukraine if both sides don’t come up with clear ...