“Only Fools And Horses” star John Challis has died from cancer at the age of 79, his family has said. He was best known for his portrayal of unscrupulous second-hand car dealer Boycie in the beloved sitcom, alongside Sir David Jason and Nicholas Lyndhurst. He cancelled a 30-date speaking tour earlier this month after only one appearance due to ill health. A statement from his family to the PA news agency said: “It is with heavy hearts that we bring you such sad news. Our dear friend and yours, John Challis, has died peacefully in his sleep, after a long battle with cancer. “He will always be loved for being ‘Boycie’ and leaves a great legacy of work that will continue to bring pleasure and smiles for many years to come. “Please respect the privacy of John’s family and friends at this difficult time, and be assured that in the …