PORTLAND, Ore. (KOIN) — A 73-year-old Happy Valley man died early Friday when the car he was driving rolled over in Southeast Portland.

The single-vehicle rollover crash occurred shortly before 6 a.m. near SE Powell Boulevard and Southeast 24th Avenue. Despite lifesaving efforts, the driver died at the scene. Investigators said there are indications he may have had a medical event that led to the crash.

His name has not been released.

His black Chevrolet Silverado left the road east of Southeast 24th Avenue, hit some poles, destroyed a Tri-Met bus kiosk, rolled over and came to a rest in a business parking lot on the northwest corner of the intersection, police said.

SE Powell Boulevard was closed in both directions between Southeast 21st and 26th avenues during the investigation.