Around noon on the 27th, there was a 110th call at the building in Ginza, Tokyo, saying that "the rough ruby was stolen during a business talk."
According to an investigative official, the man who reported the ruby explained that "the rough ruby weighs about 4 kg and is worth about 3 billion yen."
In addition, it seems that multiple people have escaped from the scene based on sightings and other information.
The building at the site is located in an area lined with commercial buildings about 100 meters away from Tokyo Metro Ginza Station, and the Metropolitan Police Department is investigating the detailed situation at that time.