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5 people injured during bomb squad training exercise in Pennsylvania, authorities say

Several people hurt after training exercise mishap at prison in Skippack Township
Several people hurt after training exercise mishap at prison in Skippack Township 00:33

Five law enforcement officers were injured during a bomb squad training exercise at a state prison in Skippack Township, Pennsylvania, on Thursday morning, state police said. 

The FBI Philadelphia said a live training device unexpectedly detonated while the agency was "holding explosives response training at SCI Phoenix for law enforcement partners." Three deputies from the Montgomery County Sheriff's Office were injured, as well as one Pennsylvania State Police trooper and one FBI Philadelphia special agent, the FBI said in a statement Friday afternoon.

The victims were transported to local hospitals. While the severity of their injuries vary, the FBI said all appear to be non-life-threatening. The FBI bomb technician was released from the hospital on Thursday.

It's unclear what led up to the incident. 

The FBI and state police are investigating the incident. 

Skippack Township is about 30 miles northwest of Philadelphia.  

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