The police in the Japanese capital reported that an unidentified person carried out a knife attack on people on a train traveling on the Yamanote Train Line. The attacker, who injured four people, was detained by the police, and the injured were taken to a hospital. An investigation has been launched into the attack.

Akihabara Train Station and its surroundings, where the attack took place, are known as a frequent destination for manga, anime, and video game enthusiasts.