Death outside gym owned by telly ‘tec trainer

An alleged knifeman accused of stabbing a young father to death at a gym run by actor Idris Elba’s kickboxing trainer has denied murder. Charles Riddington, 36, is said to have killed 24-year-old George Barker, who was found outside the Double K Gym in Bexley, southeast London, on 14 November 2016. Mr Barker, whose partner had given birth to their baby daughter just five days earlier, had been warming up for a Thai boxing session when he was attacked, suffering…