World Relays: British sprinters ecstatic, Usain Bolt has work to do
Britain's 4x100m and 4x400m relay teams reflect on qualification for the Rio Olympics at the World Relay Championships.
Asha Philip, part of the 4x100m team that won bronze in the Bahamas, said that "our hearts are overwhelmed" at qualification for Rio after missing out on qualification for London 2012.
Usain Bolt said Jamaica's 4x100m team "need to work to get back to the shape that we are used to" after losing out to a strong USA quartet featuring Justin Gatlin.
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