BURNS, Wyo. - The Wyoming Highway Patrol is investigating a fatal accident on Interstate 80 near Burns on Saturday morning.

Authorities say Mark Nolte, 58, of Iowa, and Dion Hopkins, Jr., 29, of California, were killed when two semi-tractor-trailers collided, bursting into flames. One of the semi-tractor-trailers was parked on the westbound should with the cab in the travel lane when it was hit by the second truck.

One other person was injured in the crash, but the name and condition of the person has not been released. 

The westbound lanes of I-80 were closed for nearly 12 hours. 

The Wyoming Highway Patrol says the investigation continues. Driver inattention and equipment failure are possible factors in the crash.