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MOORESVILLE, N.C. -- Mooresville Police have issued a Silver Alert for a missing man who suffers from dementia or some other form of cognitive impairment.

Authorities say 73-year-old Robert Allen Donaldson was last seen in the 100 block of Scanlon Road in Mooresville.

Police say Donaldson may be driving a gray 2011 Ford Festiva with Illinois tags C456696.

Donaldson is described as standing 5-foot-7 and weighing 170 pounds. He has short brown hair and blue eyes; he was last seen wearing jeans and a t-shirt.

If you have any information on Donaldson's whereabouts, you're asked to call RGClark with the Mooresville Police Department on (704) 664-3311.

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