Violence at South African mines creating uncertainty in the industry . August , thousands of striking workers halted operations at many of the country 's mines . Strike-related violence at Kusasalethu mine in Last year left thousands dead . The unrest has prompted some investors to look at alternative options .
Violence at South African mines creating uncertainty in the industry . Last year , thousands of striking workers halted operations at many of the country 's mines . Strike-related violence at Lonmin 's Marikana mine in August left 44 dead . The unrest has prompted some investors to look at alternative options .