DEL CITY, Oklahoma - Del City police issued a silver alert for a woman who has been missing since Saturday morning.

Joyce King, 64, was last seen at 11 a.m. Saturday at 4316 Suntane Road in Del City. She was wearing a brown sweater, dark pants and dark shoes.

Police said King is diabetic and suffers from depression and bipolar. She was under proven medical or physical disability and police believe she is in imminent danger of serious bodily injury or death.

Anyone with information about King's location should call 911 immediately.