Botswana's Isaac Makwala has the chance to go for World Championships gold today, but he remains aggrieved at his exclusion from his favoured 400 metres on medical grounds.

Botswana’s Isaac Makwala will go for World Championships gold after overcoming illness, quarantine and two races in little more than two hours to qualify for today’s 200 metres final.

The IAAF has come under criticism after the exclusion of Botswana medal hope Isaac Makwala from Tuesday night's 400 metres final at the World Championships.