File photo of a police car lying overturned as protesters occupy a government building during a protest against an industrial waste pipeline under construction in Qidong

 
File photo of a police car lying overturned as protesters occupy a government building during a protest against an industrial waste pipeline under construction in Qidong
A police car lies overturned as protesters occupy a government building during a protest against an industrial waste pipeline under construction in Qidong, Jiangsu Province in this July 28, 2012 file photo. REUTERS/Carlos Barria/Files