A Mexican court in the northern city of Hermosillo has ordered Mexicana de Cobre, a subsidiary of Grupo Mexico, the country's largest mining group, to return 1,500 hectares of expropriated communal land, where Grupo Mexico has developed its biggest copper mine, to its original peasant owners. The disputed land is the site of Grupo Mexico's La Caridad complex, which includes an open pit mine, a coppper smelter and a precious metals refinery under construction.