A vehicle flipped on its roof in a pond Thursday off West Valley Highway and Westbound Highway 18 in Auburn, fire crews said.
Valley Regional Fire Authority responded about 1:45 p.m., and found an Auburn police officer doing CPR on a man when they arrived. The victim was taken to Harborview Medical Center in Seattle by King County Medic One.
Two other adults were treated at the scene, and one woman was taken to Multicare Auburn Medical Center.
Further details were not immediately available.