Usain Bolt wins 100m in Zurich Diamond League

Jamaican sprinter Usain Bolt wins the 100m in 9.90 seconds at the Diamond League meeting in Zurich.

Bolt finished ahead of compatriot Nickel Ashmeade (9.94) with Justin Gatlin of the United States third (9.96).

Briton Adam Gemili finished eighth with a season's best time of 10.06 seconds.