Police in North Yorkshire say a 15-year-old boy reported missing from Selby may be travelling to Portsmouth on a train.
Taylor Hamil was last seen at around 6.30am this morning in the Selby area.
Officers are extremely concerned for his safety and are appealing to anyone who has seen him or knows where he is to contact them.
He is a white male, approximately 5ft 6 to 5ft 7 tall and of medium build. He has short, straight brown hair. He has a distinctive burn scar on the back of his left hand.
It is thought he could be wearing a khaki green Adidas tracksuit, a baseball cap and dark Nike trainers.
Anyone who has seen Taylor or knows of his current whereabouts is asked to call North Yorkshire Police on 101.
If you have an immediate sighting of him, please call 999.