Williamson County, TN – Tennessee Highway Patrol officials said the accident occurred around 12:17 a.m. Wednesday.

It happened on Interstate 65.

Tennessee Highway Patrol troopers responded to a report of a crash.

The responding troopers discovered that a vehicle broke down and it did not have its lights on.

Semi-truck then crashed into the back of the vehicle. 

Unfortunately, the driver of the vehicle suffered life-threatening injuries and was pronounced dead at the scene.

The driver of the semi-truck suffered injuries and was taken to a hospital for treatment.

No other information is available at the moment.

This incident remains under investigation.

This is a developing story and it will be updated as new information become available.