Peruvian President Accuses Wildcat Mining Of Mine Collapse

The collapse follows violent protests last month in the eastern jungle province of Madre de Dios against government reforms targeting wildcat mining. Prison terms were proposed for mining in protected forested areas and polluting the environment, which often involves dumping chemicals such as mercury and cyanide into rivers.
http://genevalunch.com/blog/2012/04/11/peruvian-president-accuses-wildcat-mining-of-mine-collapse/