U.S. Russian President Vladimir Putin held more than three hours of "highly useful" talks on Saturday with two US envoys seeking a deal to end the Ukraine war, a Kremlin aide said, but he gave no indication of any breakthrough. Key points and original sources are listed below.

• U.S. envoys flew out of Moscow soon after the talks and are due to meet Ukrainian President Volodymyr Zelenskiy in Kyiv on Sunday.S1

• Russian President Vladimir Putin held more than three hours of "highly useful" talks on Saturday with two US envoys seeking a deal to end the Ukraine war, a Kremlin aide said, but he gave no indication of any breakthrough.S2