A petrol depot in southern Russia that has been burning for days has once again been attacked by a Ukrainian drone, according to Russian media. The drone struck early on Friday morning, the Telegram channel Shot and other Russian media reported. The fire at the Proletarsk fuel depot with more than 70 individual tanks was triggered by a Ukrainian drone attack on Sunday and has not yet been extinguished. There has been no official comment on the latest attack. The Russian Defence Ministry did report that there had been night-time drone attacks on the Belgorod and Kursk regions. The Rostov region…