PENNS GROVE, N.J. (WPVI) -- Firefighters were on the scene of a 2-story house blaze in Penns Grove, Salem County.
It happened around 2 p.m. Wednesday in the unit block of Cumberland Avenue.
Crews reported heavy flames showing on the first floor.
It's not clear in anyone was inside the home.
The fire marshal and investigators arrived at the scene to determine the cause.
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