(BCN) -- Alameda County Sheriff's Office is asking for help locating two at-risk teens. Elvis Merino, 15, was last seen in the 50 block of E. Lewelling Boulevard in San Lorenzo.It is believed that Merino may be with another reported missing teen, Michelle Olivas. Merino is described as 5 feet 3 inches tall and weighing about 110 pounds, with black hair, brown eyes, and a birthmark on the right side of his face. He was last seen wearing a black suit, pink vest, and black shoes. Missing teen Elvis Merino (Image provided by Alameda County Sheriff's Office) Olivas, 15, is described as 5 feet 1 inch tall and weighing about 108 pounds, with straight black hair and brown eyes. She was last seen wearing a pink dress, black jacket, black shoes, and carrying a small pink backpack. Missing teen Michelle Olivas (Image provided by Alameda County Sheriff's Office) Anyone who sees the teens is asked to call the Alameda County Sheriff's Office at (510) 667-7721. Copyright © 2024 Bay City News, Inc.