Russia’s defense ministry said Wednesday it shot down four Ukrainian aerial drones over Kursk, a day after Russia said it repelled an attempt by hundreds of Ukrainian soldiers to breach the border region.

The Russian defense ministry also said it destroyed three Ukrainian drones over the Belgorod region, two drones over Voronezh and two others over Rostov.

Belgorod Governor Vyacheslav Gladkov said on Telegram that several apartment buildings were damaged, but there were no reported casualties.

The Ukrainian attacks also damaged apartment buildings in Voronezh, officials in the region said.

In Ukraine’s Mykolaiv region, Governor Vitaliy Kim said Ukrainian air defenses shot down 14 Russian aerial drones, with falling debris sparking several fires.

Serhiy Lysak, governor of the Dnipropetrovsk region, said on Telegram that Russian forces attacked with kamikaze drones and heavy artillery, damaging homes and several farm buildings.

Officials in the Khmelnytskyi and Vinnytsia regions also reported Wednesday that Ukrainian air defenses destroyed several Russian aerial drones.

Some information for this story was provided by Reuters and The Associated Press.