China's Yi Siling, the first gold medalist, competes during the 10m Air Rifle Women qualification at the London 2012 Olympic Games at the Royal Artillery Barracks in London. (AFP Photo)
China's world number one Yi Siling won the first gold of the London Olympics in the women's 10m air rifle competition at London's Royal Artillery Barracks on Saturday.
In a tense contest Poland's Sylwia Bogacka took silver while Yu Dan of China won bronze.
Yi, who won the title in the event at the 2010 world championships in Munich, had a total winning score of 502.9, 0.7 points ahead of Bogacka.
Defending Olympic champion Katerina Emmons of the Czech Republic finished fourth.