.Ukraine performs some of its own biggest-ever drone strikes on Russia CNNUkraine Attacks Moscow Oil Refinery in Gigantic Drone Torrent The Commercial JournalUkraine dispatches massive drone attack on Russian energy structure The Washington PostRussia Strikes Kharkiv Sports Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.