The Ukrainian energy ministry said via the Telegram messaging app that emergency services have been deployed to the sites of the attacks and that repairs to damaged electrical equipment in the western region of Lviv are underway.

Russian forces launched five drones to attack the Lviv region that borders NATO member Poland, injuring two men, according to Lviv regional governor Maksym Kozytskyi.

Kozytskyi said on the Telegram messaging service that Ukraine’s air defense systems destroyed all five drones. The damage and injury were caused by falling debris.

The drone attack in the village of Malekhiv in the Lviv city district damaged a multi-story residential building, in addition to scores of windows in other residential buildings, Lviv Mayor Andriy Sadovyi wrote on Telegram.

The attack also damaged a veterinary drugs research institute in Lviv, Sadovyi said.

Ukraine’s air force said it destroyed 19 out of 21 drones launched by Russia over six Ukrainian regions.