A missing teenager may have travelled 400 miles from Suffolk to Glasgow.
Michael Fotis was last seen on February 2 in the seaside town of Lowestoft.
Suffolk Police said the 17-year-old has links to Leicestershire, Scotland, Norfolk and Suffolk.
Officers in Glasgow believe the teen may be in the city and appealed to the public for sightings.
He is described as white, of slim build, 5 feet 8 inches tall with black hair.
The teenager may be wearing a grey and black tracksuit and black and red Nike trainers and in possession with a JD sports carrier bag.
Anyone with any information can contact Suffolk Police on 101 quoting reference number 343 of February 2.