A teenager injured in a single-car accident in Skamania County on Saturday morning is listed in serious condition at Legacy Emanuel Hospital in Portland this morning.

Talea Leslie, 14, of Wishram, Wash., was taken to the hospital after the crash on the Wind River Highway on the outskirts of Carson, said a statement sent out by the Skamania County Sheriff's office.

Two Skamania County teenagers, Kirsty Leslie, 19, and Gregory Pruitt, 17, both of Carson, were pronounced dead at the scene, the statement said.

The sheriff's office is investigating the cause of the accident, Undersheriff David L. Cox said Monday morning. The accident happened about 7 a.m.