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.

Adam Boehler suggested Hamas was willing to lay down its arms in exchange for a truce, in comments that frustrated some Israeli officials already concerned by his direct talks with the group.

Russia says it will discuss the U.S. ceasefire proposal, but President Vladimir Putin has signaled he seeks to expel the remnants of Ukrainian forces from Kursk.