Russia’s Sverdlovsk region, including the city of Yekaterinburg, has come under a drone attack, Sverdlovsk Governor Denis Pasler said.

The governor said that drones and falling debris struck residential buildings and a logistics center, with fires reported at several locations, TASS reports.

“Drones and debris have hit residential buildings and a logistics center. There are no fatalities. Information about those injured is being clarified. Fires have been reported. All emergency services are working. Evacuation is underway,” Pasler said.

Police officers urged residents to remain in shelters and follow safety instructions until the drone threat in the region is lifted.

The governor later reported that four people were injured in the drone attack in Yekaterinburg.