.Ukraine accomplishes some of its biggest-ever drone attacks on Russia CNNUkraine Attacks Moscow Oil Refinery in Huge Drone Barrage The Wall Street JournalUkraine catapults gigantic drone strike on Russian power structure The Washington PostRussia Attacks Kharkiv Sports Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.