Russian firefighters battled a blaze at an oil depot in the Rostov region following an alleged drone strike. A video released by the Russian Emergency Ministry on Tuesday showed firefighters combating the fire near the Ukrainian border. The blaze in the city of Azov was allegedly the result of a drone attack, according to the regional governor Vasiliy Golubev. Golubev also said there was “no risk of the fire spreading to other facilities, or threats to residents” after the 3200 square metre site caught fire. More than 200 firefighters, with equipment including a fire train, were involved in tr…