(KRON) -- Authorities in Milpitas are asking for the public’s help in locating an at-risk, missing 82-year-old man who was last seen on foot near the 80 block of Cedar Way. Lewis Hayler is described as 5 feet 10 inches tall and weighing 145 pounds. He has gray hair and blue eyes. Missing person Lewis Hayler (Photos: CHP/Milpitas Police Department) “Mr. Hayler is considered at-risk due to his age and has conditions that require medication,” the Milpitas Police Department wrote in a missing person advisory. The California Highway Patrol activated a Silver Alert on Sunday night for the counties of Santa Clara, San Mateo, San Francisco and Alameda. Police said the missing man may have his cell phone with him, but it is currently turned off. Anyone who sees Hayler is asked to call 911. ...read more read less