.Ukraine carries out some of its biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Large Drone Plethora The Exchange JournalUkraine catapults gigantic drone assault on Russian power infrastructure The Washington PostRussia Attacks Kharkiv Athletics Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.