Silver Alert activated for 74-year-old Oklahoma City man

A Silver Alert was activated Friday morning for a missing man from Oklahoma City, according to the Oklahoma Highway Patrol.

OHP says 74-year-old Robert Grissinger was last seen on foot in Oklahoma City wearing a blue baseball cap, a blue plaid jacket with a grey hood and blue jeans.

Grissinger, who is around 5-foot-7, has several medical issues and could become combative, police say.

If you see Grissinger or have knowledge of his location, you are asked to call 911.