Police are looking for a missing 15-year-old last seen in Devonshire.Arianna Ball has been missing since yesterday, when she was seen on Middle Road.Police described the teenager as light-skinned, approximately 5ft 6in and of medium to large build, weighing 190 pounds.Said a spokeswoman: “She has long black curly hair and was last seen wearing a blue/white striped shirt, black skirt and metallic brown flat sandals. She is known to frequent the North Shore Road and Serpentine Road, Pembroke areas.”Anyone with information is asked to contact the Vulnerable Persons Unit on 295-0011.Added the spokeswoman: “The public is reminded that harbouring a juvenile is an offence punishable under the law.”