Police are carrying out searches to find missing Oliver, 15, from York and may be in the Nottingham area.
Oliver was last seen at his home address in York on the morning of Tuesday 3 October, however, he is believe to have travelled to Nottingham.
North Yorkshire Police are becoming very concerned for his safety and are carrying out enquiries both in York and Nottingham.
Oliver is described as white, around 5ft 4in tall, of slim build and has brown hair.
If you have seen him, please call us on 101 and pass information to the Force Control Room.
If have an immediate sighting of him, or know where he is now, please call us on 999.
Please quote reference number 12230187436 when passing on information.