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ROBINSON TOWNSHIP (KDKA) – A man is facing charges for allegedly stabbing his father during a dispute over driving directions.

According to police, the incident happened Tuesday along State Route 22/30 in Robinson Township, Washington County, around 11:40 p.m.

Eric Fehrenbacher, 31, of Newton, Illinois, was the passenger in a pickup truck being driven by his 64-year-old father. An argument over directions escalated and resulted in Fehrenbacher allegedly stabbing the victim twice in the arm.

The unidentified victim pulled the vehicle over and got out. Fehrenbacher allegedly chased the victim before stealing the pickup truck and driving away.

Police found Fehrenbacher and the truck a short distance from the scene.

His father was located standing on the side of the road and taken to Allegheny General Hospital where he was treated for wounds to his right arm and released.

Fehrenbacher was arrested and taken to the Washington County Jail. He is facing a list of charges including, aggravated assault, simple assault, recklessly endangering another person and robbery of a motor vehicle.

He is being held on $50,000 straight bond.