2012 World indoors: American Merritt stuns Liu Xiang Chinese ace hurdler Liu Xiang (R) competes during the men's 60m hurdles at the IA...

2012 World indoors: American Merritt stuns Liu Xiang

Chinese ace hurdler Liu Xiang (R) competes during the men's 60m hurdles at the IAAF world indoor championships in Istanbul, Turkey, Mar 11, 2012. [Photo/Agencies]

Chinese hurdler Liu Xiang poses for a photo with Aries Merritt from the United States after competition at the men's 60m hurdles at the IAAF world indoor championships in Istanbul, Turkey, Mar 11, 2012. [Photo/Agencies]

ISTANBUL, Turkey, March 11 (Xinhua) -- Aries Merritt from the United States stunned Chinese ace hurdler Liu Xiang to win the men's 60m hurdles here on Sunday at the IAAF world indoor championships, clocking 7.44 seconds.

Liu Xiang took the second in 7.49 seconds.