World Athletics Championships

Coverage of the penultimate day of the 11th World Athletics Championships in Osaka. The men's decathlon nears its climax at the Nagai Stadium, with Olympic and European champion Roman Sebrle facing a stiff challenge from defending champion Bryan Clay in the javelin. In the men's pole vault, America's six-metre jumper Brad Walker is favourite to go one better than his silver medal at the last World Championships. Introduced by Sue Barker, with guests Michael Johnson and Colin Jackson.