Fireplace erupted at Rosneft PJSC’s biggest oil refinery after a drone strike, as Ukraine unleashed contemporary assaults on Russia that President Vladimir Putin claimed had been a part of makes an attempt to disrupt this week’s presidential election.“The Ryazan refinery was once hit via a drone. The affect began a fireplace,” Ryazan regional Governor Pavel Malkov mentioned Wednesday on his Telegram channel. Two other folks had been hospitalized, the Tass information provider reported.