OKLAHOMA CITY - A Silver Alert has been issued for an elderly man who walked away from a veteran's center in Oklahoma City on Saturday.

Police say 64-year-old Donald Guerrero walked away from the VA Medical Center located at 921 NE 23rd St. in Oklahoma City. He was wearing a Thunder basketball shirt that's blue on the front and white on the back, he was wearing grey flannel pajama pants, and moccasins.

Family members say Guerrero shows signs of Alzheimer's and medical staff at the VA say he also has the possibility of dementia.  They say he could be headed to Maysville.

Police say Guerrero in immediate danger of bodily harm or death. If you have any information regarding his whereabouts, call the police immediately.