Auburn Police are investigating a serious injury collision that occurred Friday in the 31800 block of 104th Avenue Southeast.

A speeding vehicle with three occupants traveling southbound on 104th Avenue Southeast collided with an unoccupied vehicle parked on the shoulder of the road, police said.

One occupant was ejected. He was airlifted to Harborview Medical Center with serious injuries. A second passenger sustained only minor injuries, police reported. The driver was uninjured and is being investigated for DUI.

The avenue was closed for several hours between 320th and Green River Road.

Anyone with information is asked to call police at 253-931-3080