Caitlin has since been found.
Caitlin Thompson who is 15 and from the Benwell area of Newcastle, has not been seen since around midday on Monday, February 6.
Police are concerned for her welfare.
She is described as being white, around 5'8" tall and with brown hair.
She was last seen wearing white jeans with rips on the knees but could have changed into dark leggings.
She had on a long coat with fur on the hood, black boots and was carrying a black handbag.