Yakima County Sheriff's detectives are investigating after a 60-year-old man was found unconscious in the 8500 block of State Route 410 early Saturday morning. Authorities say they received a call from a person who found the man on the side of the road. The man was taken to a Yakima hospital then transferred to Harborview Medical Center after doctors determined he had been seriously injured in an apparent assault.

The man hasn't been identified.

Yakima County Sheriff's officials say If you have any information on this serious felony assault, please call the Yakima County Sheriff’s Office immediately.  SGT Christopher Gray #48 Yakima County Sheriff’s Office (509) 574-2500 – dispatch/24-hours