Night-police-lights-2CASS COUNTY, Mo. — Emergency crews were called to the scene of a deadly, one-vehicle crash in Cass County early Saturday morning.

According to the Missouri State Highway Patrol Thomas Hartley, 29, of Clinton, was westbound on MO-2, just east of S. Bennett Road around 6:15 a.m. when he ran off the road and overturned. Troopers say he was pronounced dead at the scene.

A crash report indicates he was wearing a seat belt at the time of the crash. The cause is unknown.