South Korean swimmer Park Tae-Hwan addresses the media as he arrives at Heathrow airport. Sun Yang is geared to lower the world record in his Olympic duel with Asian rival Park in the 400m freestyle ... more 

South Korean swimmer Park Tae-Hwan addresses the media as he arrives at Heathrow airport. Sun Yang is geared to lower the world record in his Olympic duel with Asian rival Park in the 400m freestyle at the London Games, his Australian coach Denis Cotterell said Thursday less