Police upgraded a missing person alert to high-risk on Sunday for an elderly man from the West Lawn neighborhood on the Southwest Side.
Mateo Fernandez, 78, was last seen Thursday wearing a white T-shirt, navy blue pants and brown sandals in the 6200 block of South Karlov, according to a missing person alert from Chicago Police on Saturday.
On Sunday, police upgraded the alert for him and said he may be in need of immediate medical attention.
The 5-foot-6, 140-pound Hispanic man has a large scar across his chest, police said.
Anyone with information should call Area Central detectives at (312) 747-8380.