TRENTON (WPVI) -- Crews have worked to get a fire under control in Trenton.
A three story vacant home went up in flames on the unit block of Cumberland Street around 4:15 a.m. Saturday.
We are told that squatters were inside.
Officials say the fire is suspicious.
The Fire Marshal continues to investigate along with the Mercer County Prosecutor's Office.
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Fire Marshal investigates Trenton vacant house fire