The department said it appears the detectives were moving explosives on a cart in the training center's parking lot when the ...

The department said it appears the detectives were moving explosives on a cart in the training center's parking lot when the ...

It was not immediately clear what they were doing when the explosion happened in a parking lot at the Biscailuz Training Facility or what caused it.

Investigators are focusing on what a source described as an old military grenade that was being moved by the bomb squad.