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Usain Bolt beat Justin Gatlin to gold in the 100m at the World Athletics Championships in Beijing.

The Jamaican ran a season's best 9.79 seconds to win the title for a third time and beat his American rival, whose form had made him the favourite.

The event was viewed in some quarters as a battle of good against evil as Gatlin, 33, has served two drugs bans in his career, while Bolt has never tested positive for a banned substance.

After the race ÃÛÑ¿´«Ã½ broadcaster Jonathan Edwards spoke to Bolt’s long-time manager Norman Peart about whether a victory for Justin Gatlin would have been bad for athletics.

This clip is originally from 5 live Sport on 23 August 2015.