.Ukraine executes one of its own biggest-ever drone strikes on Russia CNNUkraine Strikes Moscow Oil Refinery in Huge Drone Assault The Wall Street JournalUkraine launches massive drone assault on Russian energy commercial infrastructure The Washington PostRussia Strikes Kharkiv Athletics Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.