A 22-year-old man has gone missing and authorities are seeking the public's help in locating him. 

Mario Leon, of the 4200 block of South Washtenaw Avenue, in the Brighton Park neighborhood, was last seen Thursday.

When he was last seen, he was wearing a navy blue jacket, grey sweatshirt, dark blue jeans and brown work boots.

Leon's family said he may be in need of medical attention.

If located, call 911 or contact Area Central Detectives at 312-747-8380.

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