update: Sunday, September 23 at 3pm: St. Louis County police say Alvin Duvall returned home and is safe.

our previous story: 

CLAYTON, MO. (KMOX) - St. Louis County Police have issued a “Missing Endangered Person Advisory” for an elderly man last seen around 10:30 Saturday morning asking for directions at the Matthews Dickey Boys Club on Kingshighway near Highway 70 in the city. At the time, we’re told, he appeared disoriented.

He’s 82-year-old Alvin Duvall, black, 6-feet tall, 230 pounds with gray hair and brown eyes.  He was wearing a hat, a dark purple polo shirt, black shorts and black slip-on shoes and was driving a gray 2010 Nissan Sentra with Missouri license, WF0V8M.

He reportedly suffers from dementia and other serious medical problems.

If Alvin Duvall, 82, or his car, have been seen, you are asked to call your local police agency at 911 or St. Louis County Police at 314 889-2341.