An overnight drone attack set several oil storage tanks ablaze near the town of Azov in southern Russia on Tuesday, sparking a large fire, local officials said. “Oil product tanks caught fire in Azov as a result of a drone attack. According to preliminary findings, there were no casualties,” the Rostov region governor Vasily Golubev said on Telegram. A video released by the Emergency Situations Ministry showed thick smoke and flames billowing out of what appeared to be multiple oil storage tanks in an undisclosed location. Officials did not say how many drones were involved in the attack. Some…