Michael Phelps won record 10th Olympic gold medal when he stormed to victory in the men's 200m butterfly final at Beijing Olympic Games on Wednesday.

The 23-year-old American clocked 1:52.03 to better his own world record of 1:52.09 set in May, 2007.

Hungary's Laszlo Cesh took silver in 1:52.70, and the bronze went to Japanese Takeshi Matsuda in 1:52.97.

(Xinhua News Agency August 13, 2008)