MILWAUKEE (CBS 58) -- Milwaukee police are asking for the public's help in locating a critically missing man. 

Russell Kleman, 72, was last seen just before 2 p.m. Monday, July 14, near 66th and Brentwood Avenue. 

Officials say he left his residence on foot. 

He's described as a white male, 5'7", 177 pounds, with a medium build, blue eyes, long, white/gray hair, and a white/gray mustache. 

Russell was last seen wearing a dark-colored jacket with a dark-colored T-shirt underneath, dark-colored sweatpants, and tennis shoes. 

Anyone with information is asked to contact Milwaukee Police District 4 at 414-935-7242.