Sheriff’s detectives were searching Monday for a 63-year-old at-risk man with conditions that require medications who went missing from unincorporated Rancho Dominguez near Compton.

Michael Anthony Ruiz was last seen at 7 a.m. Sunday on the 17000 block of South Susana Road, according to the Los Angeles County Sheriff’s Department.

Ruiz is Hispanic, 5 feet 8 inches tall, 190 pounds, with black hair and brown eyes, wearing a black long-sleeved shirt, black jeans and white shoes.

Anyone who has seen Ruiz or knows where he is was asked to call the sheriff’s Missing Persons Detail at 323-890-5500 or Crime Stoppers at 800-222-8477.