In an overnight drone attack on Ukraine's Kharkiv and Dnipro regions, Russian drones injured at least six people and hit multiple buildings, regional officials said on Saturday.
A statement by the Ukrainian Air Force said that 13 Shahed drones were launched by Russian forces targeting the regions in the northeast and centre of the country.
The Ukrainian air defence units downed all of the Russian drones, said an air force official.
Four people were injured by falling debris from the downed drones, which also sparked a fire in an office building, in the Northeast part of Kharkiv, the regional governor said.
Two other women were treated on-site. Emergency services were bringing the fire under control, reports added.
Serhiy Lysak, the regional governor said that in the industrial Dnipropetrovsk region, two people were wounded.
He also said that a critical infrastructure facility and three houses were damaged.