RICHMOND, Texas — UPDATE: A Silver Alert for a 66-year-old man missing out of Fort Bend County has been discontinued.

PREVIOUS: Thomas Nathaniel Moore, who is diagnosed with a cognitive impairment, was last seen Saturday afternoon in Richmond. He was on foot at 7126 Sunrise Hill Lane, according to the sheriff's office.

Officials added they believe Moore's "disappearance poses a credible threat to their own health and safety."

Moore is described as 6 feet tall, weighing about 245 pounds with black hair, brown eyes and a full beard. 

Anyone with information should contact the Fort Bend County Sheriff's Office at (281) 341-4665.

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