The overnight attack was one of the largest on Ukraine and included strikes in the western part of the country, which is hit less often.

Officials say a Ukrainian drone has struck an industrial plant deep inside Russia, injuring several people and causing a fire

The U.N. Human Rights Monitoring Mission in Ukraine said in a report published Thursday that short-range drone attacks killed at least 395 civilians and injured 2,635 between the start of the war and last April. Almost 90% of the attacks were by the Russian armed forces, it reported.