Two members of the Japan Self-Defense Forces (JSDF) died and one was injured after a trainee opened fire at his fellows at the military exercise site in the city of Gifu.
The suspect, identified as an 18-year-old JSDF trainee, was arrested for attempted murder. According to the local police, he confessed to shooting at his colleagues.
The police said that of the three men shot, two were in their 20s and one in his 50s.