.Ukraine carries out one of its biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Gigantic Drone Surge The Wall Street JournalUkraine catapults large drone attack on Russian energy structure The Washington PostRussia Hits Kharkiv Athletics Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.