.Ukraine carries out one of its biggest-ever drone attacks on Russia CNNUkraine Attacks Moscow Oil Refinery in Extensive Drone Surge The Wall Street JournalUkraine launches massive drone strike on Russian electricity structure The Washington PostRussia Strikes Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.