COMPTON (CBSLA.com)  —  Authorities are asking the public to be on the lookout for a critical missing 57-year-old man.

Ronald Darnell Gary  was last seen walking on Long Beach Boulevard in Compton, near the 105 Freeway, around 10:30 a.m. on Tuesday.

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Gary  recently had a stroke and requires medication. He also suffers from dementia and is easily confused.

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The missing man is 5 feet 7 inches tall and about 200 pounds. He has brown eyes, black hair and wears glasses.

When last seen, Gary was wearing a black jogging suit with a lime green polo shirt, and black tennis shoes. He was wearing his glasses as well as a gold colored chain with an eagle medallion.

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If you have seen Gary or know of his whereabouts, please contact the Sheriff’s Homicide Bureau at (323) 890-5500.