The attack, which came just hours after President Trump gave the Kremlin a new deadline to work toward ending the war, was part of a wave across the country, the authorities said.

Russia and Ukraine traded aerial attacks overnight, resulting in two deaths in each country and many people wounded on both sides, according to officials. On the battlefield, the Russian military said Saturday that it seized the village of Zelenyi Hai in the eastern Donetsk region that Moscow illegally annexed but only partially controls,