China's Ye Shiwen won the Olympic gold medal in the women's Swimming 400m individual medley at the 2012 London Games on Saturday. Ye finished with a world record time of 4:28.43 at the Aquatics Centre in London to claim China's fourth gold medal of the games. The United States' Elizabeth Beisel won the silver with a time of 4:31.27 and China's Li Xuanxu won the bronze with a time of 4:32.91. China now has six medals at the games with the United States collecting its fourth. China's Ye Shiwen set the first world record at the Olympic pool, winning the women's 400-meter individual medley with a dominant finishing kick Saturday night.Ye was the second Chinese swimmer to win gold on the opening night of swimming competition at the London Olympics