.Ukraine carries out some of its own biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Large Drone Blast The Stock market JournalUkraine catapults enormous drone attack on Russian electricity facilities The Washington PostRussia Strikes Kharkiv Sports Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.