Investigators are searching for a person of interest after a fire destroyed one house and spread to two others last week in Somerville, Massachusetts.

The fire broke out around 11:52 p.m. Wednesday on Thurston Street, authorities said.

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Flames could be seen shooting from a house that was under construction. That building, which was empty, has since collapsed. Several people were left without homes after an overnight fire in Somerville, Massachusetts.

Two other nearby homes caught fire, though, and people inside those houses had to escape.

Police are asking for the public's help identifying a man seen in a surveillance image. Neighbors are also being asked to check their home security cameras for footage of any

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