Oil leaks after drone attack on refinery in Kaluga region of Russia

The Pervyy Zavod refinery in the Kaluga region of the Russian Federation (Russian media)

An oil leak occurred after a drone attack on the Pervyy Zavod (First Plant - ed.) oil refinery in the Kaluga region of Russia on Friday, May 10, according to ASTRA Telegram channel.

As ASTRA found out, one of the drones hit the oil refining equipment of the Pervyy Zavod refinery, and three fuel tanks also caught fire.

"Additionally, as a result of the fire, a pipeline was damaged, leading to a spill of 5 tons of oil," the report said.

Drone attack on Pervyy Zavod in the Kaluga region of Russia

The attack on the Pervyy Zavod refinery in the village of Polotnyany Zavod in the Kaluga region of Russia took place on the night of May 9-10.

According to local residents, a fire broke out after the attack on the refinery. The governor of the Russian region confirmed the attack but did not specify which particular enterprise was targeted. However, local authorities have already reported no casualties.

Later, the General Staff of the Armed Forces of Ukraine revealed that drones attacked the Pervyy Zavod refinery as part of a corresponding operation.