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DURHAM, N.C. -- A Silver Alert has been issued for a missing Durham man.

Just before noon on Sunday, the Durham Police Department issued the Silver Alert for David Melo Barreira.

They say the 40-year-old man, with black hair and brown eyes, was last seen at 4 Kimbrough Court in Durham.

Barreira is said to be suffering from dementia or some other cognitive impairment, and is believed to be in danger, according to officials.

Barreira was last seen wearing a gray pullover, blue jeans, white Nikes and a black hat. He's described as 5-foot-7, weighing 225 pounds.

If you have any information at all, please contact Sgt. Pennica with the Durham Police Department (919) 560-4600.

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