(KLZA)-- Two people were injured when attempting to make repairs to an unoccupied semi-truck Thursday afternoon in Holt County, Missouri.

The Missouri Highway Patrol reports the semi was facing west on Holt Road 320, approximately six miles southeast of Oregon. There was no one in the cab of the truck.  65-year-old Anthony Rauch of Oregon, Missouri was laying underneath the trailer, attempting to release the units locked-up brakes.  

When the brakes were released, the truck began to roll backwards, dragging and then rolling over Rauch whose injuries were described as minor.

 A second man, 41-year-old Jeremy Wolf of St. Joseph, was behind the truck and attempted to roll of of the path of the truck but was struck by the trailer.

Wolf was transported by the Atchison-Holt Ambulance to Life-Flight and then to the K.U. Medical Center with serious injuries. 

Rauch informed the investigating officers he would seek medical attention at a later time. 

The Holt County Sheriff's Office and Oregon First Responders also assisted.