The two sides are supposed to negotiate a second phase of the cease-fire agreement that would end the war, but they remain far apart on how to move forward.

Vladimir Putin told a news conference that he agreed with the idea of a ceasefire, but he immediately spelled out tough conditions that appeared to rule out agreement.

Russian officials have communicated to their counterparts in the United States that they do not want Russia-Ukraine envoy Keith Kellogg involved in top-level discussions aimed at ending the Ukraine war,