From staff reports
Mercer state police said multiple undetermined fatalities were discovered at a residence that was fully engulfed in flames in the 600 block of District Road, Delaware Township, Mercer County.
Police said a motorist reported the fire to Mercer County 911 at 12:18 a.m. Friday.
The investigation is being led by the state police Mercer Criminal Investigation Unit along with state police fire marshals, police said.
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