Amelia was last seen shortly before 1pm on Wednesday. She is described as white, tall and has medium-length blonde hair tied in a bun. Amelia (Image: Devises Police)She is believed to be wearing a grey jacket, long blue jeans and grey trainers. Wiltshire Police said: "We are concerned about Amelia’s welfare and would urge anyone with information to 999 and quote 54260095005. "Amelia, if you are reading this, please get in touch with family, friends or police."