.Ukraine accomplishes some of its own biggest-ever drone strikes on Russia CNNUkraine Hits Moscow Oil Refinery in Enormous Drone Assault The Wall Street JournalUkraine launches substantial drone strike on Russian electricity framework 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.