UPDATE: One man is dead after a single-vehicle rollover crash on Middle Valley Road Thursday afternoon.

Upon arrival to the scene, deputies with the Hamilton County Sheriff's Office (HCSO) say they found the driver, Oral David Helton, unresponsive and initiated CPR.

First responders pronounced him deceased at the scene.

Preliminary evidence shows that Helton's car drifted off the road and down a steep embankment, causing it to roll over.

It's currently unclear what caused him to drive off the road in this "fatal incident," but HCSO says will continue to investigate the circumstances of the crash.

"Our thoughts and prayers are with the family and loved ones of Mr. Helton," HCSO stated.

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