The Washington State Patrol is trying to figure out what caused a crash late Thursday night that killed a man from Grandview.

Troopers say around 11:00 p.m. 48-year-old Warren E. Biggs was driving on North County Line Road, about four miles north of Grandview, when he crossed the center line near Evans Road and hit a power pole.

The jeep rolled and Biggs died at the scene. Troopers say he was wearing a seatbelt at the time of the crash.

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