Chinese high hurdler Liu Xiang runs over a hurdle at a training base in Shanghai, China Tuesday, June 30, 2009. Liu's return to competition is on hold because of lingering problems with the athlete's injured foot, his coach said Tuesday. (AP Photo) **  CHINA OUT. AP Photo logo AP Photo 4 months ago

Chinese high hurdler Liu Xiang runs over a hurdle at a training base in Shanghai, China Tuesday, June 30, 2009. Liu's return to competition is on hold because of lingering problems with the athlete's injured foot, his coach said Tuesday. (AP Photo) ** CHINA OUT.