About 200 coal miners in Kazakhstan refused to leave four mines operated by a unit of ArcelorMittal at the end of their shift on Monday and staged a sit-in.
Vedanta Resources said Thursday its Zambian subsidiary KCM plans to set up new copper smelter, cobalt refinery and more under a $1 bln investment programme.
Demand for physical gold picked up in most Asian centres this week as prices fell, but drop in local rates to four-month lows failed to lure buyers in India.
One of China's top copper smelters has reduced production by 20-30 percent to comply with winter output restrictions, a company official said on Thursday.
Chinese coke and iron ore futures fell further in trading Thursday, amid growing concerns that steel demand in world's top producer will decline for winter.
The remote town of Nueva Fuerabamba was built to house around 1,600 people who gave up their village and farmland to make room for a massive, open-pit copper mine.