A severe fire at an oil depot in Proletarsk, Rostov region of Russia, which was hit by drones four days ago, continues to burn. An explosion of another fuel tank occurred at the site, reports Russian Telegram channel 161.ru. The drone strike on the oil depot FGKU Kombinat Kavkaz in Proletarsk occurred on the night of August 18. Since then, the facility has been engulfed in flames, with explosions occurring intermittently in various tanks. According to Russian media, another such explosion took place late on the evening of August 21. A video of the incident has been posted online. Residents tol…