Normally hired by local authorities to enforce relocation orders, crack down on "antisocial" behaviour and disperse crowds, the role of the chengguan has aroused concern about the power and accountability of Chinese officialdom.
One indignant contributor to a local online discussion group said that they were "inhuman" and "out of control". Another, worried that the news will be suppressed by government censors, urged fellow internet users to spread the message as far as they could.