SALT LAKE CITY (AP) — Authorities in northern Utah say three people have died in a fiery multi-vehicle car crash on a highway near the Heber Valley Airport. KSTU-TV reported that investigators with Utah Highway Patrol said they believe a Jeep traveling on the highway slowed down and was rear-ended by a truck, causing the Jeep to catch fire, travel into oncoming traffic and crash into an oncoming vehicle. The other vehicle became engulfed in flames as well. Authorities say three people have died, but they were not identified. Police said U.S. Route 189 was closed for several hours as a result of the collision.