Russia launched one of its largest air strikes on Kyiv in over three years of war and struck a maternity ward in the southern city of Odesa in attacks that killed at least three people, officials said on Tuesday.

Russian drone strikes and bombs killed at least three people in the northeastern Ukrainian city of Kharkiv overnight, regional officials there said.

Ukraine's president says a new prisoner exchange with Russia is ongoing and will take days, as both sides continue launching hundreds of attack drones.