Kenya's Nicholas Bett, the 400 metres hurdles world champion in 2015, has died in a car accident at the age of 28.

Kenyan athletes have been urged to respect the "rule of law rather than the jungle" by the country's Sports Commissioner as their two-day occupation of the Athletics Kenya headquarters in Nairobi came to an end.

A group of athletes have stormed the headquarters of Athletics Kenya in protest at the leadership of current chairman Isaiah Kiplagat, following allegations of deep-rooted corruption within the governing body.

Two years ago, Russia concluded the Moscow International Association of Athletics Federations (IAAF) World Championships in second place behind the United States, but with more golds - seven to six. Two years on, as the 15th World Championships here move into their final day, late golds by Sergey Shubenkov in the 110 metres hurdles and Mariya Kuchina in the women’s high jump have rescued the Russian cause from humiliation.

On a night when 18-year-old Jianan Wang wowed the Bird’s Nest Stadium by winning bronze in a global final contested, unprecedentedly, by three Chinese athletes, Britain’s Greg Rutherford fed off all the excitement and took gold with a season’s best of 8.41 metres to complete his set of Olympic, World, Commonwealth and European titles.