.Ukraine performs some of its biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Large Drone Assault The Stock market JournalUkraine catapults huge drone strike on Russian electricity structure The Washington PostRussia Strikes Kharkiv Athletics Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.