Isle of Man rider Matt Bostock was one of those caught up in a crash in the men's scratch ©Getty Images

Picture gallery

Matt Walls, not pictured, receiving medical attention after flying over the barrier during the men's scratch race qualifying ©Getty Images
Matt Walls, not pictured, receiving medical attention after flying over the barrier during the men's scratch race qualifying ©Getty Images
James Wilby was one of England's winners in the pool today ©Getty Images
James Wilby was one of England's winners in the pool today ©Getty Images
Georgia Taylor-Brown anchored England's mixed team triathlon team to gold at Sutton Park ©Getty Images
Georgia Taylor-Brown anchored England's mixed team triathlon team to gold at Sutton Park ©Getty Images
South Africa defeated Fiji in the final of the men's rugby sevens to claim gold ©Getty Images
South Africa defeated Fiji in the final of the men's rugby sevens to claim gold ©Getty Images
Georgia Baker was dominant in the women's points race on her way to gold ©Getty Images
Georgia Baker was dominant in the women's points race on her way to gold ©Getty Images
Lewis Clareburt helped New Zealand to another gold medal today ©Getty Images
Lewis Clareburt helped New Zealand to another gold medal today ©Getty Images
Fiji could not stop Australia's women's team from taking gold in rugby sevens ©Getty Images
Fiji could not stop Australia's women's team from taking gold in rugby sevens ©Getty Images
Australian Georgia Godwin won the women's all-around competition today in gymnastics ©Getty Images
Australian Georgia Godwin won the women's all-around competition today in gymnastics ©Getty Images
Adam Peaty finished fourth in the men's 100m breaststroke just two months after breaking his foot ©Getty Images
Adam Peaty finished fourth in the men's 100m breaststroke just two months after breaking his foot ©Getty Images