Summary

  • South Africa's Wayde van Niekerk wins 400m gold

  • Isaac Makwala ruled out of 400m final after norovirus outbreak

  • GB's Kyle Langford fourth in the men's 800m final

  • Czech Barbora Spotakova wins women's javelin

  1. London callingpublished at 18:30 British Summer Time 8 August 2017

    BlurImage source, Getty Images

    Good evening! We're back and fit and well - which is more than can be said for some of the athletes competing in London.

    In sickness, and in health, the games go on.

    All set for another night of throwing, throwing up, running and, er, well, let's get on with the track and field!