HAMLIN TOWNSHIP, Mich. (WOOD) — A man uncovered a potentially explosive piece of World War II history in an Eaton County storage locker late Sunday morning.

The Eaton County Sheriff’s Office says a man was sorting through his father’s belongings in a Hamlin Township storage facility when he discovered a grenade he believed was from the World War II era, located in a military shipping container.

Deputies took a call about the first grenade around 11:41 a.m. Sunday.

They say during their investigation, they located a total of two live grenades. Deputies called in the Michigan State Police Bomb Squad, which took the grenades for proper disposal.