“The Investigative Committee of the Russian Federation opened a criminal case on the fact of explosions and fires at production facilities on the territory of Novoshakhtinsk Oil Products Plant JSC in the Rostov Region, which occurred on the morning of June 22,” the Investigative Committee said in a statement.

The necessary examinations have been appointed, all the circumstances of the incident are being established.

On the morning of June 22, a fire was extinguished at the Novoshakhtinsk oil refinery in the Rostov region.

The head of the region, Vasily Golubev, said that fragments of two drones were found on the territory of the plant.