Tokyo manager arrested over workplace stabbing incident
The Japanese Metropolitan Police Department has detained a man in his 50s following a violent incident at a Chiyoda office, where a subordinate sustained serious injuries.

A manager in his 50s has been arrested on suspicion of assault following a violent incident at a consulting firm in Chiyoda, Tokyo. The Japanese Metropolitan Police Department confirmed the arrest on the morning of May 19, stating that the suspect allegedly used a blade to injure a male subordinate during a meeting.
The victim sustained serious injuries in the attack. Police have not released specific medical details regarding the nature of the wounds or the type of blade involved, but confirmed that the injuries were significant enough to warrant the current investigation.
According to initial reports from NHK News Japan, the suspect told investigators that the assault was an impulsive reaction to the subordinate’s work performance. The manager reportedly stated that he acted out of frustration due to what he described as careless work by the employee.
The incident occurred within the premises of a consulting firm in the Chiyoda ward, a central business district in Tokyo. Authorities are currently treating the matter as a workplace violence case, with the suspect in custody for questioning.
The Metropolitan Police Department is continuing its investigation to determine the full circumstances surrounding the event. No further charges or legal outcomes have been announced at this stage, and the suspect remains under arrest on suspicion of assault.


