.Ukraine carries out some of its own biggest-ever drone attacks on Russia CNNUkraine Attacks Moscow Oil Refinery in Gigantic Drone Surge The Wall Street JournalUkraine launches enormous drone attack on Russian power framework The Washington PostRussia Attacks Kharkiv Sports Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.