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BELTSVILLE, Md. (WUSA9) -- Police say they have located an 85-year-old man who was missing from Silver Spring after someone saw his vehicle and contacted police.

Glenn Eldon Thornton, of the 15100 block of Interlachen Drivesuffers from short term memory loss and a heart ailment.

Before he went missing, he was last seen around 12:45 p.m. in Beltsville, Maryland. He was operating a2007 Ford F-150 pickup truck with an extended cab and a cap over the bed. The truck has Maryland registration 683314, officials said.

Police describe him as a white male, 5'9" tall, and weighing approximately 185 pounds. He has gray hair and was last seen wearing a tan jacket and a tan USMC baseball cap, police said.