Update: The Silver Alert has been cancelled Thursday after Valle-Luna was found alive and safe.
OKLAHOMA CITY – Police have issued a Silver Alert for a missing 74-year-old male Wednesday.
Heriberto Valle-Luna was last seen wearing a tan long sleeved shirt with a white T-shirt underneath, blue jeans and tan shoes.
Officials said he was a patient at OU Medical Center in Oklahoma City at 700 N.E. 13th St.
He was going northbound on JB Saunders and wandered off around 11:30 a.m.
He has gray hair, is 5’10” and weighs 190lbs.
Valle-Luna is bipolar schizophrenic.
Police believe he is in imminent danger of serious bodily injury or death.
If you have any information on his whereabouts, call the OU Police Department at 405-271-4911.