Cheating trio trigger renewed shame

Violations by three Chinese runners in Monday's Boston Marathon spark fresh bout of soul-searching and debate

Cheating by three Chinese runners at the recent Boston Marathon has cast a shadow over the running boom here and prompted experts to call for tighter industry regulations.

After being exposed by online whistleblowers, two of the runners, Wu Zhaofeng and Zhao Baoying, were found to have submitted fake qualification results to earn spots in the prestigious road race, which took place in the eastern US city on Monday.