Bradley Wiggins walks onto the track for the team pursuit final against Autstralia, where the home nation would miss out on gold in the final two laps of the London velodrome.
A split forms between two halves of the Great Britain women's team pursuit squad, effectively ruling them out of the chance of competing in the gold medal final.
Australia team pursuit.
GB riders Jonathan Dibben and Bradley Wiggins listen to music to focus before the huge effort of the team pursuit.
Joachim Eilers celebrates after securing the world title in the men's kilometre time trial event, clocking a time of 1.00.042.
Bradley Wiggins congratulates Michael Hepburn of the Australian team after they won the team pursuit final.
Laura Trott finds her mum in the crowd at the Lee Valley Velodrome after she won the women's scratch race.
Russian Anastasiia Voinova clips another rider as she crashes during the women's keirin.
Pensive expressions on the podium from the Great Britain team pursuiters as they missed out on taking the world title in a close-run final with Australia.
Becky James take a moment to relax between rounds of the keirin, where she finished a creditable third on her first appearance back at the World Championships since recovering from injury and illness.
Thumbs up from Peter Deary, veteran derny pilot, aboard a 'proper' petrol-driven derny rather than the electric model used in the Track World Cup in London in 2014.
Triumphant Laura Trott is interviewed by Jill Douglas for BBC television after her win in the women's scratch race.
Bradley Wiggins relaxes before the team pursuit final. Despite GB missing out on the world title, Wiggins says they will be in top shape for the Rio Olympics in August.
Riders use the time between races to stretch and warm up in the track centre, as this Russian rider demonstrates.