.Ukraine carries out among its own biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Huge Drone Torrent The Commercial JournalUkraine catapults extensive drone attack on Russian energy framework The Washington PostRussia Hits Kharkiv Sports Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.