ROY — An 87-year-old female was killed when her vehicle drifted off the road and into a telephone pole around 7 p.m. Wednesday.

Investigators are looking at a medical issue as a possible cause of the fatal accident, according to the Roy City Police Department.

"Appears to be result of a medical incident prior to the collision," says a posting on the Roy City Police Department's Facebook page.

A medical examiner is assisting in the investigation.

The woman's 10-year-old great-grandson was a passenger in the vehicle and was transported to a local hospital with minor injuries.

The victims' names will not be released until tomorrow to allow time for family member notification.

E-mail: lbrubaker@desnews.com