.Ukraine executes one of its own biggest-ever drone strikes on Russia CNNUkraine Strikes Moscow Oil Refinery in Gigantic Drone Blast The Stock market JournalUkraine dispatches massive drone strike on Russian electricity framework The Washington PostRussia Attacks Kharkiv Sports Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.