Sign me up for news alertsA search has been launched for a teenage boy who has been missing since last week. Sonny Manville, aged 16, was last seen in the Grove Road and Thames Way areas of Gravesend and Dartford, on Friday and Saturday. He is white, 5ft 6in, of stocky build and has short brown hair. He was wearing blue jeans and a black hooded jacket. Officers think the youngster has links to Gravesend, Dartford, Longfield, New Ash Green, West Kingsdown, Swanley and Medway.