Monday night's attack was the largest attack since Russia launched 309 drones and eight missiles into Ukraine on July 31, according to the daily figures published by the Ukrainian air force and analyzed by ABC News. Russia's Defense Ministry, meanwhile, said its forces shot down 23 Ukrainian drones overnight into Tuesday morning.

“I called President Putin, and began the arrangements for a meeting, at a location to be determined, between President Putin and President Zelenskyy,” Trump said in a social media posting following lengthy talks at the White House on Monday with Zelenskyy and European leaders.

U.S. President Donald Trump told Ukraine to give up hopes of getting back annexed Crimea or joining NATO as he prepared to host President Volodymyr Zelenskyy and European leaders in Washington on Monday to press Kyiv into accepting a peace deal with Russia.