At least…a dozen were wounded in the clash in the temperate Quechua-speaking highlands of Peru's northern state of Lambayeque…[A] doctor said one protester, 57, was shot in the back…International human rights groups criticized Peru's government last year for so readily using live ammunition against protesters after five were killed in anti-mining protests in July…Protests began Sunday against the Caniariaco mine, with police using tear gas against them. The mine's owner, Candente Copper Corp. of Vancouver, says it obtained approval from more than 700 locals in July. But local officials say the community rejected the mine in a referendum…[A researcher said] "This has never been a mining zone…It's completely agricultural and they are afraid of being left without water and of having it contaminated."