.Ukraine carries out among its own biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Gigantic Drone Surge The Wall Street JournalUkraine catapults substantial drone attack on Russian energy framework The Washington PostRussia Strikes Kharkiv Sports Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.