.Ukraine carries out among its biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Substantial Drone Assault The Commercial JournalUkraine dispatches enormous drone assault 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.