St. Louis (KSDK) -A 90-year-old woman was out to lunch when a two-alarm fire broke out at her home in south St. Louis County.

PHOTOS - South County house fire

The house, a 170-year-old homestead log home,is located in the 4000 block of Butler Hill Road.

The Mehlville Fire Protection District, Rock Township and Salina Valley departments all responded to the fire, as well as ambulances, the American Red Cross, and the St. Louis County Police Department.

No one was injured in the fire.

The cause of the fire has not been determined.

Read or Share this story: http://www.ksdk.com/story/news/1/01/01/170-year-old-home-burns-in-south-county/3052501/