.Ukraine carries out one of its biggest-ever drone attacks on Russia CNNUkraine Attacks Moscow Oil Refinery in Massive Drone Surge The Commercial JournalUkraine launches enormous drone assault on Russian electricity structure The Washington PostRussia Strikes Kharkiv Athletics Midpoint After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.