.Ukraine accomplishes one of its own biggest-ever drone attacks on Russia CNNUkraine Strikes Moscow Oil Refinery in Large Drone Blast The Commercial JournalUkraine dispatches massive drone attack on Russian electricity structure The Washington PostRussia Hits Kharkiv Sports Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.