The governor of the Rostov region, Vasily Golubev, said that the drones that attacked the Novoshakhtinsky oil refinery were produced in Ukraine. The incident took place on the morning of June 22. Unmanned aerial vehicles that arrived from the territory of Ukraine attacked the Novoshakhtinsky Oil Refinery, as a result of which a fire broke out at the enterprise, the area of which was 50 square meters. Firefighters put out the fire for an hour and a half. None of the employees of the enterprise was injured, but the equipment was damaged. Experts are now assessing the damage. Earlier it became known that the American Worldview-1 satellite photographed the Novoshakhtinsky oil refinery three days before the drone attack.