Muhammad Ali receives prestigious Liberty Award
Amazing footless footballer causes a stir in Rio
Skateboarders try out giant ramp in Brazil
World's fastest man: Usain Bolt celebrates his 26th birthday
Olympic closing ceremony plays out on a high note
No golden goal for Man Utd NY share debut
German drops nearly 200kg on neck at Olympics 2012 weightlifting
Olympics "gatecrasher" Madhura Nagendra apologises
Phelps Wins 15th Gold, Record 19th Medal