PORUM, Oklahoma - The Oklahoma Highway Patrol is trying figure out the cause of a fatality crash in Muskogee County Wednesday evening.

Troopers said that crash killed an Oklahoma City man.  He is identified as 26-year-old Maxwell Gower. 

The OHP report says at 6:06 p.m., Gower's 2003 Chevy pickup was southbound on Highway 2, about two miles north of Porum, when it crossed the center line and hit a northbound 2016 Kenworth semi head on.  Gower was pinned in the wreckage for about two hours.

The driver of the semi, 56-year-old Dale Carson of Stilwell was not injured.