On the morning of March 19, 2023, emergency services received a call from a residence in Nakajūjō, Kita Ward, Tokyo, reporting that a mother had been assaulted by her son. When officers from the Tokyo Metropolitan Police arrived at the scene, they encountered a man believed to be in his 50s, who allegedly stabbed a 30-something police officer in the arm with a knife. Fortunately, the officer's injuries are not life-threatening. The suspect was apprehended at the time, facing charges for obstruction of public duty. It appears that the stabbing occurred during the officer’s attempt to subdue the suspect. Authorities are currently investigating the circumstances surrounding the incident, aiming to gather more details related to the event. The potential motives and the nature of the domestic dispute that led to the emergency call are also under scrutiny. This incident highlights the risks that police officers face when responding to domestic violence situations, which can often escalate into violence against law enforcement personnel. The Tokyo Metropolitan Police force has expressed its commitment to investigate thoroughly and ensure the safety of its officers in the line of duty as calls regarding domestic disputes continue to be a significant challenge.