The Nevada Highway Patrol says impairment is suspected in a crash involving four cars near Fallon. It happened just after 4 yesterday afternoon on U.S. 50 near Trento Lane. A driver sideswiped another car, triggering a chain-reaction. The driver and passenger of the car that triggered the crash were both taken by Care Flight to a hospital. There were injuries for some of the occupants of the other three cars involved. All were treated on scene and released.