South Africa's CameronvanderBurgh put in the fastest 50m breaststroke time in the world this year, a Commonwealth Games record of 27.18 seconds, to win gold and complete a 50m-100m double.
Swimming's micro-scandal came last week after South African swimmer CameronvanderBurgh was asked by reporters about an underwater video that showed him using three underwater "dolphin" kicks at the start of a breaststroke race.