Wayde van Niekerk retained his world 400 metres title in dominant fashion on Tuesday as he stormed to victory in 43.98 seconds but there was almost as much interest in the empty lane alongside him where Botswana's Isaac Makwala should have been.
Jamaican sprinter Asafa Powell, who tested positive for a banned substance last year, told a disciplinary panel on Tuesday he did not list the supplements he was taking because he could not remember their names.
Former West Indies captain Brian Lara has described Shivnarine Chanderpaul as 'one of the giants of the Caribbean cricket' and expressed that the recently retired batsman should have been given a 'proper send-off' in international cricket.
The Jamaican is seeking his fourth gold in the event - he has won the 100m at every world championships since 2009 apart from 2011 in Daegu when he was disqualified for a false start.
After two decisive defeats at the hands of Usain Bolt in the space of five days, Justin Gatlin is showing the strain.
