BRISTOL, Pennsylvania (WPVI) -- A multi-alarm fire burned through several rowhomes on Tuesday morning in Bucks County, Pennsylvania.
Dozens of firefighters were called to the 600 block of Spruce Street in Bristol.
Investigators say the fire was first reported around 6 a.m.
Firefighters were still putting out hot spots more than an hour later.
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Video from Chopper 6 shows smoke pouring out of several homes.
There was no immediate word on any injuries in this fire.
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The cause is not yet known.