.Ukraine executes one of its own biggest-ever drone attacks on Russia CNNUkraine Hits Moscow Oil Refinery in Enormous Drone Plethora The Exchange JournalUkraine launches substantial drone strike on Russian electricity facilities The Washington PostRussia Attacks Kharkiv Athletics Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.