BRIDESBURG (WPVI) -- Authorities have shut down a street in the Bridesburg section of Philadelphia after firefighters found potentially explosive material inside a home.



Crews were first called to the 4700 block of Richmond Street at 12:45 p.m. Tuesday for a reported house fire.



Firefighters put the fire, which was located on the first floor, under control within 15 minutes.



But in the process, they discovered a chest containing what appeared to be a hand grenade and a mortar.



Police and the Philadelphia Fire Marshal were called to the scene and shut down the block.



There have been no reports of injuries.



The status of the devices - whether they are 'live' or not - was still being determined.



Stay with Action News and 6abc.com for more information as it becomes available.

