Usain Bolt's Jamaica beaten by USA at World Relay Championships

Usain Bolt's Jamaica are beaten by the USA in the men's 4x100m at the World Relay Championships in Nassau.

The US quartet of Mike Rodgers, Justin Gatlin, Tyson Gay and Ryan Bailey proved too strong for the Jamaican team, running the equal-seventh fastest time in history.

Watch highlights from the World Relay Championships in the Bahamas on the BBC iPlayer.

Available to UK users only.