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LITTLE ROCK, Ark. (AP) _ A man was arrested on charges of killing an 18-year-old passenger in a car by hurling a tire iron at the vehicle as it passed.

Witnesses told police that David Timothy Seibs, 26, had argued with the car's driver just before David Henshaw was killed Friday.

Seibs was arrested Saturday and charged with first-degree murder.

Roger Edmondson, 23, told police he got into an argument with Seibs at a gas station. Edmondson drove off, and Seibs got into a pickup.

Police said Seibs apparently passed Edmondson's car, pulled off the road and threw the tire iron. The tool ricocheted off a side mirror and struck Henshaw in the neck.