Police are carrying out extensive land and water searches to find a missing 19-year-old. Jacob Crompton, 19, was last seen around midnight on Saturday, March 23 and into March 24, in the Retford area. The teenager, who has been missing for over a week, is described to be around 5ft 10ins, of medium build and has short dark mousy hair. He was last seen wearing a North Face anorak, a hoody, jeans and navy blue Nike Air Max trainers. It is believed that Jacob is currently without his glasses. Posters have been spread across Retford and members of the public have formed search parties with the aim…