STILLWATER, Okla. (KFOR) – City, county and state authorities are investigating after a deadly travel trailer fire in Stillwater.

The Stillwater Fire Department, LifeNet, Payne County Sheriff’s Department, Stillwater Emergency Management, the Medical Examiner’s office and others are all investigating after one person died in a travel trailer fire Tuesday near Edna Rd.

Stillwater residents are asked to avoid the area.

The official cause has not been determined. No other information is available.