peruvian villagers sue miner glencore argue london high court next week company hold liable allegations abuse peruvian police law firm represent say tuesday allegations present 10-day hear start monday illustrate potential legal risk mine company sign pacts peruvian police provision security service operations lawsuit 22 peruvians say xstrata acquire glencore 2013 fail take reasonable step prevent abuse police deadly protest tintaya copper mine 2012 say london law firm leigh day xstrata pay feed provide lodge police know know peru police tend use excessive force leigh day say glencore say xstrata responsible action take peruvian national police pnp police protest note lawsuit allege xstrata mine private security force harm anyone xstrata appeal pnp respect human right protesters protest glencore say statement like many mine company peru xstrata sign agreement peru national police provision security service tintaya stop operate 2013. agreements usually include payment police long criticize activists say create police force loyal company instead broad public defenders agreements say allow company pay police need poor remote regions tend operate alongside villages lack basic service leigh day law firm say peruvian villager believe shoot police 2012 unrest attend hear case determine peruvian law firm say peruvians take glencore court police abuse allegations