Fire officials in Mercer County tell 21 News that a house on Gilmore Road in Grove City is a complete loss after a fire started sometime this afternoon.  

Officials say one woman was home at the time of the fire, but she was able to escape unharmed after calling 911.

Fire officials were unsure if the woman's dog or other pets were able to escape the blaze.

Officials believe the fire may have started in the basement, but the fire is still under investigation at this time.