12-year-old swimmer Yu Zidi becomes youngest to win medal at worlds
Twelve-year-old Chinese swimmer Yu Zidi said she felt "quite emotional" after she became the youngest swimmer in history to win a world championships medal.
Tomas Kauer - News Moderator 
Twelve-year-old Chinese swimmer Yu Zidi said she felt "quite emotional" after she became the youngest swimmer in history to win a world championships medal.
