Usain Bolt confident of regaining top form

Usain Bolt says he is confident of regaining his top form ahead of the World Championships in August.

The Olympic and World Champion tells reporters he can "can definitely get to that level, no question" and states his main goal for the season is to remain injury-free.

Bolt will be the star attraction at the World Relays Championships in the Bahamas as he is scheduled to run in the 4x100m and 4x200m against the United States's Justin Gatlin and Tyson Gay, who Bolt recently said should have been banned for life after being found guilty of doping offences.

Watch highlights of the World Relays Championship on Sunday 3 May at 10:10 BST and Monday 4 May at 09:00 on the BBC Red Button.