Police have launched an appeal for information to help find a teenage boy who has been missing from Oxfordshire for four days.

Sediqullah, who is aged 16, was last seen in Abingdon on August 30.

Thames Valley Police said it is believed that he may have travelled to London.

The teenager is described as having black, curly hair and he is 5 feet 2 inches (1.6 metres) tall.

He usually wears a black hoodie, black trousers and trainers which will be of an unknown colour.

Anyone who has any information which may assist the investigation is asked to contact the police.

Call Thames Valley Police on the non-emergency number 101 quoting crime reference number 43240417888.