.Ukraine performs among its own biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Massive Drone Torrent The Wall Street JournalUkraine launches enormous drone assault on Russian energy structure The Washington PostRussia Hits Kharkiv Athletics Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.