Mining lies at the heart of Peru's economic boom of the past decade. But big mining projects in the Andes are prompting ever more conflicts among companies, the government and local communities, who worry about the impact on their land and livelihoods and are often assisted by left-wing activists. Ollanta Humala, who was elected as Peru's president a year ago on a vaguely populist platform, promised to solve these disputes, which left 190 people dead during the preceding administration.
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