Indigenous people of Northern Potosi fight riot police at the entrance of the the vice president’s office, where negotiations were held between government and community members of the region, in La Paz, June 7, 2012. Demonstrators demanded President Evo Morales’ government to the cancel the mining concession for the company Malku Khota, a subsidiary of the Canadian South American Silver who seek to exploit silver and indium, reported local media.

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