.Ukraine performs one of its own biggest-ever drone attacks on Russia CNNUkraine Strikes Moscow Oil Refinery in Large Drone Barrage The Exchange JournalUkraine dispatches gigantic drone assault on Russian energy structure The Washington PostRussia Attacks Kharkiv Athletics Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.