Riot police beaten, kicked, bashed with stones and hit with sticks in Mexico, as clashes have broken out between police and residents of a village on the suburbs of the capital over a controversial water supply plan.Officials say a hundred police officers have been injured in the violence. Several protesters have also been arrested in the mayhem. It's the latest in a series of clashes between police and the residents of San Bartolo Ameyalco, located on the western outskirts of Mexico City.The villagers are angry about a plan to extend the municipal water system into the village. They say the plan is aimed at pumping the water of their natural spring to the sprawling apartment blocks around the capital.So far, the protesters have been able to prevent authorities from implementing the project.