Security camera footage shows a person believed to be the former boyfriend and suspect in the stabbing death of a 21-year-old store clerk at a Pokémon shop in Tokyo's Sunshine City, entering the facility about 30 minutes before the incident.

A woman was reportedly stabbed by a man in a store within Tokyo's Sunshine City commercial complex, leaving her unconscious. The assailant also stabbed himself, and police are investigating the incident involving the two individuals, both believed to be in their 20s or 30s.

New details from the investigation into the stabbing death of a 21-year-old store clerk at a Pokémon character shop in Sunshine City, Ikebukuro, suggest the former boyfriend relentlessly pursued and attacked the fleeing victim.

In the investigation of the fatal stabbing of a 21-year-old female store clerk at a Pokémon shop in Tokyo's Sunshine City, the suspect's backpack containing a driver's license and smartphone was found in a second-floor toilet.