Drones massively attack Russia, targeting objects in its several oblasts and causing fires

"Several Russian oblasts came under massive drone attack, fires broke out at the places where

the debris fell, Rostov Oblast's governor Vasiliy Golubev claimed....City of Kalach-on-Don in Volgograd Oblast also came under attack. Early reports indicate a local oil depot to be the enemy drones' target.
Locals recorded about 10 explosions in the city, starting at around 4 a.m. Deadwood caught fire after drone debris fell in Rostov-on-Don. Two transformers at a power substation caught fire in the Rodionova-Nesvitaiski district. The fire extinguishing efforts are ongoing on site." UB