Investigators Looking Into Deadly Collision On I-15

Investigators are trying to determine what caused a deadly crash between a car and street sweeper on Interstate 15 near Cedar City. Authorities say the early morning Wednesday crash killed a man in a Dodge Neon who slammed into the sweeper that was in a lane closed to traffic. The driver of the sweeper didn't sustain any serious injuries.  No word yet from investigators on why they think the causing driver swerved into the closed lane.