ADA, Okla. (KTEN) — Chickasaw Lighthorse police have issued a Silver Alert for an elderly man who was last seen in Ada early Tuesday morning.

The search is on for 81-year-old Alfred Stephen. He was wearing a white T-shirt and blue jeans when last observed near Ada around 1:30 a.m. on February 27.

Stephen, who has a history of dementia, is described as being 5'-8" tall and weighs 180 pounds. He has brown eyes and is bald.

Call 911 if you have any information.