SIGNAL HILL, California — Authorities have issued a Silver Alert for William Harville, a 68-year-old man last seen in Signal Hill, Los Angeles County. Harville was reported missing on November 30, 2024, at approximately 2:09 p.m., according to the Signal Hill Police Department.Harville is described as 5 feet 8 inches tall, weighing 162 pounds, with gray hair and blue eyes. He was last seen wearing a brown beanie, a blue long-sleeve shirt, brown sweatpants, and sunglasses. It is believed he may have left in an unknown vehicle, stated the California Highway Patrol, which activated the alert on behalf of the Signal Hill Police Department.Anyone with information on Harville’s whereabouts is urged to call 9-1-1 immediately.