(KRON) -- Police in the South Bay are searching for a missing man. California Highway Patrol issued a Silver Alert for 66-year-old Chanho Park. Park was last seen at 10 a.m. on Tuesday in the area of Union Avenue and Los Gatos Almaden Avenue in Los Gatos. He is 5-foot-8, 130 pounds with gray hair and brown eyes. He was last seen wearing a baseball cap with yellow writing, a gray sweatshirt and light blue jeans. Park suffers from memory issues and is believed to be on foot, the Los Gatos Monte Sereno Police Department said. Anyone who sees him is asked to call 911.