Russia launched its largest barrage of drones and missiles in a month across Ukraine, killing at least three people, Ukrainian President Volodymyr Zelensky said Saturday, as a Kyiv delegation heads to the United States for fresh peace talks.

"The enemy attack on Kyiv is ongoing," Kyiv Mayor Ihor Terekhov said in a post to Telegram early Tuesday local time.

Emmanuel Macron warned that Donald Trump could “betray Ukraine” by offering territory to Russia without security guarantees, according to a leaked transcript of a call between fellow European leaders.

A Russian-flagged tanker loaded with sunflower oil reported a drone attack off the Turkish coast on Tuesday, but its 13 crew members were unharmed, Turkey's maritime authority and the Tribeca shipping agency said.

Russian attacks kill three in Kyiv as Ukrainian delegation races to U.S. for urgent peace negotiations. Ukrainian delegation is headed by national security chief Rustem Umerov. Russia reports a major oil terminal halted operations after a Ukrainian strike.

A firefighter works at the site of a Russian drone strike, amid Russia's attack on Ukraine, in Odesa, Ukraine, in this handout picture released December 4, 2025. Press service of the State Emergency Service of Ukraine in Odesa region/Handout via REUTERS