.Ukraine carries out among its biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Gigantic Drone Assault The Exchange JournalUkraine catapults gigantic drone strike on Russian electricity structure The Washington PostRussia Strikes Kharkiv Sports Core After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Moments.