.Ukraine carries out one of its own biggest-ever drone strikes on Russia CNNUkraine Strikes Moscow Oil Refinery in Large Drone Onslaught The Wall Street JournalUkraine launches enormous drone attack on Russian power 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 Moments.