Russia and Ukraine damaged each other’s infrastructure during night-time drone and missile attacks, officials said on Saturday morning. “A fire broke out at the Volgograd oil refinery after a drone was shot down,” the governor of the Russian region, Andrey Bocharov, said in a post on Telegram. He said the fire was swiftly contained and that there had not been any deaths or injuries. The Russian Ministry of Defence said seven drones had been shot down. Four aerial objects were intercepted over the south-west Russian region of Belgorod and one over the Rostov-on-Don region to the south, accordin…