A shooting that left a driver dead in his SUV on the Highway 520 bridge Monday morning was ruled a suicide, according to the King County Medical Examiner’s Office.

The man was 23 years old, according to the medical examiner.

The Washington State Patrol had originally investigated the incident as a homicide, but Trooper Rick Johnson confirmed the medical examiner’s determination in a tweet.

Calls came in to 911 Monday morning after a woman who was in the car with the man got out to stop traffic for help, Johnson said. The car was pulled over on the eastbound shoulder near Montlake Boulevard.

How to find help

If you are experiencing suicidal thoughts or have concerns about someone else who may be, call the National Suicide Prevention Lifeline at 1-800-273-TALK (8255). You will be routed to a local crisis center where professionals can talk you through a risk assessment and provide resources in your community. https://suicidepreventionlifeline.org/