(MSC News)--A Pottawatomie County house fire has claimed one life.

WIBW-TV reports the fire happened Sunday night in the 13000 block of Antelope Run in rural Westmoreland.

Citing the Pottawatomie County Fire Department and the State Fire Marshal’s Office, the TV station reports crews responded to the scene around 10:30 following the report of a grass fire. However, upon arrival, a home was found to be engulfed in flames, and one person was found dead inside.

According to the State Fire Marshal’s office, a positive identification of the victim will not be made until it is confirmed by autopsy.

The Investigation Division of the Fire Marshal’s office has classified the cause of the fire as undetermined. Loss is estimated at $200,000. It is unknown if there were smoke detectors in the structure.