Ordinary shipments remain halted," a spokesperson, who declined to be named, told AFP on Friday. "Production is not directly affected (by the system dysfunction) but it has been halted because shipments are suspended." The news is worrying for Japan's ubiquitous convenience stores, who are major stockists of Asahi beer. AFP visited several convenience stores and supermarkets in Tokyo Friday, all of which still had stock. The attack comes after a cyberattack halted operations at Jaguar Land Rover's British factories for almost a month.