A Tucson, Arizona scrap yard worker was killed yesterday by an explosion after he cut into what turned out to be a military bomb.

News sources are reporting that the blast at Tucson Iron and Metal occurred around 12:45 p.m. MST. A Tucson police officer driving near the facility was flagged down and directed to the scene.

The worker was found to have suffered "obvious trauma" and declared dead on scene.

The Tucson Police Department released a statement that the man "cut into a piece of metal which turned out to be a military ordnance, causing the explosion."

Officials from the nearby Davis-Monthan Air Force Base told NBC station KVOA that a check was done after the deadly blast and no explosives were missing. Officials also told the station the type of explosive that detonated is used across all military branches and has been used for the last 50 years. The type of explosive device was not identified.