Five people were injured Thursday morning in an accident during a training exercise at SCI Phoenix prison.
Officials said the accident happened at about 9:50 a.m. during the exercise at the Skippack Township prison.
According to authorities, three members of the Montgomery County Sheriff’s Office Bomb Squad, a Pennsylvania State Police trooper and an FBI Philadelphia agent were injured.
All have been transported to area hospitals for treatment.
“Staff from the Montgomery County Bomb Squad were installing an explosive device for a later class when it prematurely exploded,” according to a statement from a prison spokesperson.
Department of Corrections staff was not involved in the training.
SCENE FROM CHOPPER 6: Training exercise at the SCI Phoenix Prison grounds at 10 this morning with the Bomb Squad. Not clear what happened during that training - but chopper six does have at least TWO medical helicopters at the scene. @6abc #breaking #bombsquad pic.twitter.com/88i13s779Q— Maggie Kent (@MaggieKent6abc) September 15, 2022
Video from Chopper 6 showed a large police presence and two medical helicopters at the scene.
A charred car was also seen in a field on the prison grounds.
The FBI and Pennsylvania State Police will jointly investigate the cause of the detonation.