.Ukraine carries out some of its biggest-ever drone assaults on Russia CNNUkraine Attacks Moscow Oil Refinery in Huge Drone Torrent The Commercial JournalUkraine dispatches gigantic drone strike on Russian energy infrastructure The Washington PostRussia Hits Kharkiv Athletics Middle After Moscow Refinery Fire BloombergFirefighters Extinguish Oil Depot Blaze in Southern Russia 2 Weeks After Drone Strike The Moscow Times.