Bellefontaine residents heard a loud boom Wednesday afternoon around 2:00.
In speaking with the Bellefontaine Police Department, the explosion was part of a training exercise with the Allen County Bomb Squad.
Police received a call recently that someone had located possible dynamite in the basement of a home in Bellefontaine.
Authorities took possession of the explosive and properly detonated the stick of dynamite in the Bellefontaine cemetery.
If you ever encounter possible explosives please call the police immediately.