MUSKOGEE, Oklahoma - The Creek Nation Lighthorse Police has issued a Silver Alert for a Muskogee man who was last seen Tuesday afternoon.

He is identified as 87-year-old John Berryhill.  Police say he suffers from dementia.

Police say Berryhill was last seen at around 4 p.m. at the Boom-a-rang Diner on South York Street in Muskogee.  At the time, he was wearing dark blue overalls, a plaid shirt, black tennis shoes and a tan ball cap.

If you see John Berryhill or know where he is at call the Creek Nation Lighthorse Police at 918-732-7800.