AKIPRESS.COM - A man has been killed and three people injured in a gruesome explosion in a Japanese park on Sunday afternoon, according to CNN.

A suicide note was found stuffed inside the sock of 72-year-old Toshikatsu Kurihara, a resident of Utsunomiya, Japan, after he was blown apart by an explosive device.

The incident took place near the parking lot of Joshi Park, in Utsunomiya, where a festival was being held.

Utsunomiya Police said they received emergency calls saying a man was burning – when they arrived, they found metal pieces in the area and a severely damaged body.

A number of locals reported hearing at least one explosion on Sunday, which left two nearby cars on fire.

Utsunomiya Fire Department officials added both cars were destroyed in the fire while a nearby building was also partially burned.