EMPORIA, Kan. (AP) — Three teenagers died and a fourth teen was injured when the car they were riding in crashed into the Cottonwood River south of Emporia.

The Lyon County Sheriff’s office said the wreck was discovered around 6:30 p.m. Saturday after the injured girl, 15-year-old Ashley Edwards, was spotted walking down the road. Edwards told deputies that she had been a passenger in a car that crashed.

Authorities pulled a 2005 Pontiac Grand Prix from the river with three people inside. The sheriff’s office said 17-year-old Chase Luby, 13-year-old Paxton Luby and 17-year-old Shelby Phoenix were all dead.

Edwards was taken to a hospital for treatment of her injuries.

Investigators are still working to determine the cause of the crash.