Medics and deputies responded to the scene, in the 23100 block of SE 452nd Street, at about 7:30 a.m. after receiving a report of a serious injury accident, said Cindi West of the King County Sheriff's Office.
Arriving at the scene, deputies found three injured men who had been in the car. All three were rushed to the hospital. One was listed in critical condition and the other two were listed in serious condition.
An investigation found that the driver of the care failed to negotiate a turn. The car slammed into a ditch and rolled over.
Two of the accident victims were 18 years old and the other is a 20-year-old.