Police are appealing for the public’s help to trace a teenage boy, missing for three weeks, who has links to Bishop’s Stortford. Officers are growing increasingly concerned for the welfare of 17-year-old Elijah, from Cheshunt, was last seen on Monday September 2 at around 4pm. He is described as around 6ft 2in tall, of slim build with plaited, dark brown hair. He was last seen wearing a grey and black tracksuit. As well as Stortford, Elijah has links to Tottenham and Vauxhall in London, plus Harlow. If you have seen him since he was reported missing or have information about where he has been,…