The Saskatoon Police Service is looking for the public’s assistance in locating a missing 15 year-old girl. Alexa Campbell was last seen at her home in the 700 block of 33rd Street West at 5 o’clock Saturday afternoon. She was last seen wearing a black sweatshirt with a hood, black sweatpants and hightop shoes. Alexa is believed to be in a vulnerable state. Anyone with information on the whereabouts of Alexa is asked to contact Saskatoon police.