An MP is calling for action to improve security and prevent further tragedies at Burnside Lakes in Cambridge following the death of a 16-year-old boy. The teenager, Dishone Lloyd from Essex, died after reports he got into trouble while swimming with friends at the lakes in Cherry Hinton. A public meeting, which began with a minute’s silence, attended by around 80 people at St Andrew’s Church in Coldhams Lane, heard that swimming at the lakes had been a teenage “rite of passage” for decades. South Cambridgeshire MP Pippa Heylings said: “My thoughts go out to the family and friends and to all th…