Kyiv and Moscow have had separate discussions with Washington about a temporary pause on strikes on energy sites and a cease-fire in the Black Sea.

U.S. officials are meeting separately with Ukrainian and Russian officials in hopes of hammering out a partial ceasefire in the 3-year war in Ukraine.

U.S. special envoy Steve Witkoff expressed optimism on Sunday ahead of high-stakes talks in Saudi Arabia over the war in Ukraine and said he believed Russian President Vladimir Putin wanted to end the three-year-old conflict.