Russia unleashed a barrage of missiles, drones and bombs across Ukraine early Saturday, killing five people as it retaliated for a brazen attack on air bases days earlier. The Kremlin has accelerated its attacks on Ukraine in recent weeks, while the latest ceasefire negotiations have failed to broker an end to the three-year war.

The second round of negotiations between the Russians and Ukrainians on a possible ceasefire has ended after about an hour, according to Russian news agencies. State news agency TASS and the Interfax agency cited their own sources as saying the talks were over and that there were no plans to continue the talks later in the day.

Russia also urged the United States and Britain to restrain Kyiv after the attacks, which Ukrainian officials have lauded as showing Kyiv can still fight back after more than three years of war. British and U.