Oklahoma City police have issued a Silver Alert for a 58-year-old man who has been missing since Saturday night.
Derek Lewis, 58, was last seen at 10:30 p.m. at 5201 Krauss Rd. in Oklahoma City. He was driving a white, 4-door, 2012 Hyundai Sonata with an Oklahoma License plate 792JLN.
According to police, Lewis was under proven medical or physical disability and officers believe he is in imminent danger of serious bodily injury or death.
A clothing description is not available at this time. Stay with News 9 and News9.com for updates.