Britain have come seventh in the 4x400m men’s relay in Daegu, failing to claim a medal.
Gold medallist Dai Greene was forced to pull out with an injury while Richard Strachan, Nigel Levine, Chris Clarke and Martyn Rooney took the helm for Britain.
America claimed gold while the South African and Jamaican teams snatched silver and bronze for their countries.
Before winning silver, the South African team decided to drop Oscar Pistorius from the final.