HELP is needed to find a missing girl last seen in Wallingford.

Fifteen-year-old Sophie Blackburn from Margate, Kent, was reported missing on Sunday.

She was last seen in Wallingford town centre speaking to two people. Police believe she does not know the pair.

Officers think Sophie then boarded a bus from Wallingford at around 8.15am towards Reading.

She is white, around 5ft tall, slim, with long black hair and was possibly wearing blue jeans, black trainers and a camouflage black and white jacket. She would have been carrying a large bag.

Investigating officer PC Lee Butler based at Henley police station said: “We would like to find Sophie as we are concerned for her welfare.

“We are appealing to anyone who has seen a girl matching Sophie’s description to contact us, or if Sophie sees this appeal then please get in touch.

“If you have any information please contact the 24-hour Thames Valley Police enquiry centre on 101 quoting reference 523 24/07."