Photos: Pinal County teen injured playing with ammunition

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Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas
Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas
Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas
Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas
Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas Two teens placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds. By Jennifer Thomas

MAMMOTH, Ariz. -- A teenage boy suffered a shotgun wound to his hand while playing with ammunition Saturday afternoon, according to the Pinal County Sheriff's Office.

Deputies said two 14-year-old boys decided to detonate rounds of ammunition that they found in a shed behind their property in the 83000 block of East Palomita Road outside of Mammoth.

They placed a metal pipe in a vice and put the ammunition inside the pipe then hit the primer with a hammer or ax to discharge the rounds.

One of the juveniles placed a 12-gauge shotgun slug in the pipe and attempted to discharge it. The round blew up and shrapnel became lodged in the palm of his left hand, according to PCSO spokesman Tim Gaffney.

The victim was transported to a Tucson hospital where he underwent surgery.

Gaffney said the unspent rounds of ammunition were seized for destruction as the guardian of the child is a prohibited possessor and is not able to possess ammunition or firearms.

The guardian told deputies he had inherited the property from his grandfather and the ammunition had been left in the shed. The guardian also claimed no knowledge to what the juveniles were doing until one of them was injured.

Child Protective Services was notified.