.Ukraine carries out among its own biggest-ever drone assaults on Russia CNNUkraine Strikes Moscow Oil Refinery in Gigantic Drone Assault The Commercial JournalUkraine dispatches extensive drone assault on Russian electricity infrastructure The Washington PostRussia Hits Kharkiv Sports Center After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.