UPDATED: 11:00 A.M. Wednesday

Virginia State Police have released the names of the three people killed in a wreck on Interstate 81 in Washington County.

The Toyota’s driver, Abenezer D. Thewdros, 19, of Arlington, Va., and two passengers, Abel N. Ayele, 19, of Arlington, Va. and Alemu S. Ameha, 25, of Alexandria, Va., all died at the scene. A third passenger, Arketsadik Yilma, 19, of Alexandria, Va., was flown by Virginia State Police Med-Flight helicopter to Bristol Regional Medical Center for treatment of serious injuries.

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UPDATED: 10:30 p.m

State police say the wreck happened after a tractor trailer traveling south got a flat tire.

As the driver pulled off onto the right shoulder to inspect the tire, a Toyota Avalon traveling south ran off the left of the side of the road and hit the tractor trailer.

Three people in the car died.

Another passenger in the car was flown to the hospital.

The tractor-trailer driver and his passenger were not hurt

State Police haven't released the names of the people involved.

They don't believe alcohol was a factor in the crash.

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Three people died after an accident in Washington County on Tuesday. 

The accident happened on Interstate 81 near mile marker 34 just after 6:15 p.m.

Virginia State Police say a tractor-trailer and another vehicle collided in the southbound lanes. 

A fourth person was flown to a nearby hospital. 

Stay with WDBJ7 for updates.