.Ukraine carries out among its own biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Huge Drone Assault The Wall Street JournalUkraine dispatches massive drone attack 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.