Bolt lights up opening day
- From the section Athletics
Defending champion Usain Bolt dominates the men's 100m on day one at the World Athletics Championships in Daegu, South Korea, with an easy victory in 10.11 seconds.
Britain's Dwain Chambers finishes second to also qualify for Sunday's semi finals.
Listen to the action live on Sunday from 0930BST on BBC Radio 5 live.