At least three children were among 27 people wounded as a result of a Russian drone attack on Ukraine's second-largest city of Kharkiv overnight that damaged apartments and a kindergarten, Ukrainian authorities said on Monday.

KYIV, Ukraine -- Russia targeted Ukraine overnight with 322 drones, 292 of which were "neutralized" by being either shot down or supressed by other means, according to the Ukrainian air force. Eleven people, including two children, were injured in the Kharkiv area, in a drone strike overnight there, according to local emergency services.

A Russian drone attack on Ukraine's Kharkiv injured 20 people, including three children, damaging apartments and a kindergarten. The attack caused a fire in a residential building. Other attacks occurred in Kyiv and Sumy,