KCBS_740CLAYTON (AP) — A Clayton police officer responding to a call ran over a man who had previously been hit by another motorist.

The East Bay Times reports that Concord police Lt. Nicholas Gartner says 29-year-old Robert Smith, of Walnut Creek, may have already been dead when the officer hit him with his patrol car on Monday.

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The Contra Costa County Coroner’s Office identified Smith on Monday but did not release a cause of death. It is unknown why Smith was on the road.

Police initially said the officer was the first to strike Smith with a vehicle but later said that was incorrect.

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The civilian driver involved in the incident stayed at the scene and cooperated with police.

Gartner says drugs and alcohol do not appear to be factors in the collision.

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