EL RENO, Oklahoma - A woman’s body was found on the side of the road in El Reno, Monday night.

A passerby found the woman near the corner of Sunset Dr. and S. Admire Ave. When the passerby called police, she told them the woman was “barely breathing." By the time crews arrived she was dead.

Investigators say they found no signs of blood, trauma, or foul play and believe the woman may have experienced some kind of medical issue. The body was sent to the medical examiner’s office to determine the exact cause of death.

So far police have not identified the victim.