.Ukraine carries out among its biggest-ever drone strikes on Russia CNNUkraine Strikes Moscow Oil Refinery in Massive Drone Blast The Exchange JournalUkraine launches substantial drone strike on Russian energy facilities 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 Times.