An investigation is underway after two people are killed after two motorcycles crash head-on in Cocke County.

The Tennessee Highway Patrol says Hubert and Norma Roberts were riding on a Harley Davidson trike on U.S. Highway 25-70 Saturday afternoon while Bobby and Shawnte Whitaker were riding on a motorcycle in the opposite direction.

The Roberts’ bike crossed over the center line and hit the other motorcycle head-on.

All four were thrown for their motorcycles.

Hubert Roberts was pronounced dead at the scene while Norma Roberts was pronounced dead at the hospital.

Bobby and Shawnte Whitaker were injured in the crash. They were flown to the University of Tennessee Medical Center with serious injuries.

No word yet if charges will be filed.