A large fuel storage facility in southern Russia was still ablaze on Monday, the day after a Ukrainian drone attack, the regional authorities of Rostov-on-Don announced. They declared a state of emergency for the district of Proletarsk. Eighteen firefighters have been injured, with four of them taken to hospital with burns, the state-run Russian news agency TASS reported. It was stated that the high temperatures in the region, exceeding 30 degrees Celsius, have made the firefighting operation more difficult. The fire at the fuel storage facility in Proletarsk, which houses more than 70 individ…