"As of now, 11 drone strikes on (Kharkiv) have been confirmed, with two drones crashing without detonating," Kharkiv Mayor Ihor Terekhov said.

Kharkiv came under a large-scale Russian drone strike, with hits and fires reported in at least two districts and several people injured, including children.

Officials said children were among the wounded after overnight drone and missile attacks hit residential areas across Kharkiv region.