Westborough Police along with Westborough Fire Department in MA were called to a home to recover what appeared to be a mortar round.
The resident told authorities he was working in his back yard when he dug up an object that resembled a bomb.
The Massachusetts State Police Bomb Squad was summoned to the man's home and transported the device to a safe location, where it was detonated.
The origins of the device and how it came to be buried in the man's yard were unknown.
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