Firefighters are investigating what started a fire at a home in Grove City.
The fire started shortly before 4:00 a.m. at the home on Addison Drive Thursday.
Firefighters say the family inside, a grandmother, grandfather and their daughter and granddaughter, woke to what they thought was hail outside.
They soon realized it was a fire, and were able to get out safely.
Firefighters say it took awhile for them to knock down the fire, and it burned the siding on a few neighboring homes.
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