(Portland, OR) -- Portland police are investigating a single-vehicle crash that killed one person and injured two. Authorities say a car traveled off the roadway on Skyline Boulevard shortly before eight o'clock last night, and rolled down a 150-foot embankment toward Meridian Ridge Drive. Police say the car hit a house on the way down and caught fire. A man was found dead at the scene, and another man and a woman are being treated for traumatic injuries.