The Fukuoka prefectural police announced on July 7 that a trainee containing leaked radioactive material tritium which had been sealed inside, while a riot police officer was training during training and destroy the aiming parts of the handgun. Even if it sucks everything, there is little effect on health.
According to the prefectural police guard section, at around 05:15 pm on Friday, at the riot police general training ground in Fukuoka City Hakata-ku, the riot police personnel were overcorrected while adjusting the gun gun targeting parts with the tool. Normally the aiming component that glows white does not shine, so it was judged that gas containing tritium leaked from the inside. According to the Radiation Hazards Prevention Law, leaks were reported to the Nuclear Regulatory Commission.