.Ukraine carries out one of its own biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Large Drone Torrent The Wall Street JournalUkraine dispatches massive drone assault on Russian energy framework The Washington PostRussia Hits Kharkiv Athletics Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.