possible medical condition

A Wyoming driver was killed and another injured in a head-on crash near Star Valley Ranch early Monday morning, the Wyoming Highway Patrol says.

A Wyoming driver was killed and her passenger injured in a single-vehicle rollover northeast of Edgerton early Wednesday afternoon, according to the Wyoming Highway Patrol.

The Wyoming Highway Patrol says a possible medical condition may be to blame for a deadly, three-vehicle crash west of Casper Sunday morning.