(KATU) Portland police arrested a man who admitted he used dog poop to make an explosive device in order to get revenge on a former friend.

Police say a man reported an explosion that came from a toolbox on his car on April 16, 2019.

The man told police he noticed a yellow toolbox on the back of his Camaro that was not there previously. When he began opening the toolbox, he said it exploded with such force that it sounded line β€œan M80 going off.”

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