TACOMA, Wash. (AP) — A 20-year-old man who was intentionally run over at a campground after an argument over a vehicle driving recklessly has died of his injuries, authorities said.

Jimmy Smith-Kramer of Taholah was one of two victims run over by a pickup truck Saturday, KOMO-TV reported Monday (http://bit.ly/2rgqlyX ). Tacoma General Hospital officials confirmed he had died late Sunday.

The second victim, 19-year-old Harvey Anderson of Aberdeen, reportedly was in critical condition.

Campers were upset early Saturday because a pickup was doing doughnuts on a gravel bar at the Donkey Creek Campground.

The Grays Harbor Sheriff's Office says there was an argument and a camper threw a rock at the truck. The driver then backed up toward the campers, running over the two men before fleeing, investigators say.

A statement released late Monday from the Quinault Nation said the victims were tribal members and that witnesses said the driver was screaming racial slurs when he ran over the two young men.

Undersheriff David Pimentel told The Associated Press that investigators interviewed all the witnesses on the gravel bar, and none mentioned racial slurs. He says he does not believe the crash was racially motivated and would speak with the tribe.

Sheriff's officials have not found a suspect but are following up on multiple tips, Pimentel said.

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Information from: KOMO-TV, http://www.komotv.com/