Hikaru Hamaguchi, 39, was arrested over an alleged assault on a university student in Tokyo’s Jimbocho district on Oct. 17. Investigative sources said police suspect him of attacking seven female high school and university students within about 15 minutes that evening; all are believed to have suffered minor injuries. Police are investigating whether there were more victims and Hamaguchi’s motive.
WHO:
Hikaru Hamaguchi
WHAT:
Hikaru Hamaguchi was arrested over an alleged assault on a university student.
WHEN:
Oct 17, 2026
WHERE:
Jimbocho, Tokyo, Japan
WHY:
Police arrested Hamaguchi over the alleged assault; the material gives no reason for the attack.
