He was last seen in the early hours of the morning on Tuesday 11 April at Peterborough Train Station and are growing increasingly concerned for his welfare.
Jet is described as:
White
Of skinny build
5ft 4ins tall
Hair worn in a side fade style.
He was last seen wearing a blue Adidas jacket carrying an Adidas rucksack. He possibly has a blue/grey pushbike with him.
Jet also has links to Lincolnshire, London, Ipswich and Bournemouth.
Anyone with information about his whereabouts is asked to call 999 quoting 44230141788.