YELM, Wash. -- Investigators are trying to figure out what killed a woman found in a barrel in her Yelm backyard Tuesday, but foul play is not suspected.

The woman, identified by the medical examiner as 53-year-old SallyPaulsen, was found inside the mostly buried barrel used to store canned food, said Thurston County Sheriff's Office investigators.

The medical examiner is awaiting toxicology test results before announcing a cause of death.

Investigators said it's possible Paulsen fell inside the barrel on accident.