Update: Cincinnati police canceled the alert on Monday.
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Cincinnati police requested the public's help Friday locating a 79-year-old man who could be in danger.
Robert Miller, 79, was last seen at his home on California Avenue on Thursday morning.
Miller stands 5-feet-7-inches-tall tall and weighs 170 pounds. He has gray hair and brown eyes.
He was last seen driving a black 2012 Ford Fusion with Ohio licence plate number GIL4280.
Police asked anyone with information on the location of Robert Miller to call 911.
