Ukrainian drones killed at least six civilians overnight in a series of strikes across several Russian regions, according to Russian officials.

The attacks hit an Ozon logistics center and an industrial facility in the Samara region, with Ozon reporting injuries and a temporary halt in operations.

In the southern city of Yeysk, two children were killed and two adults were wounded, while strikes in Belgorod and Bryansk also caused deaths and injuries.

Russian officials in the occupied Ukrainian region of Luhansk reported two more civilian deaths, including a 16-year-old boy, and several injuries, CNBC has reported.

Russia’s Defense Ministry said it had intercepted and destroyed 457 Ukrainian drones during the overnight attacks.