Police this afternoon renewed an appeal for help in finding a missing teenager from Oxford.

Sarah Spence, 18, from Watermill Way, Barton, was last seen at 9am Wednesday when she left her grandmother’s house in Elton Crescent, Wheatley.

Police said she had never been out of contact with her family for so long.

Sarah is white, approximately 5ft tall, thin, with medium length brown hair that is normally tied back in a pony tail.

She was wearing blue jeans, brown Ugg boots and may have been carrying a black bag.

Sgt Samantha Lewis said: “We are concerned for Sarah’s welfare and we would urge her, or anyone who knows of her whereabouts, to make contact with us as soon as possible.

“We would also like to speak to anyone who may have seen her since she went missing, or who has spoken with her."

Anyone with information should contact Thames Valley Police via the 24-hour Enquiry Line on 0845 8 505 505, quoting the following reference MP/03423/2010.