UPDATE: The Silver Alert was canceled at 8 p.m. Donald Smith was found at his sister's home in Fort Gibson, according to officials.
Officials have issued a Silver Alert for a missing Muskogee man.
Donald W. Smith, 62, was last seen early Friday at his home in the 4400 block of Gibson Ave.
Smith is wearing a white shirt, blue jeans and brown cowboy boots. Smith has a medical or physical disability and is in danger of injury, officials said.
If you know the whereabouts of Smith, contact your local law enforcement agency or call 911.