International Resources Holding (IRH), the mining investment arm of United Arab Emirates’ richest company, is among investors holding talks on buying into Vedanta Resources’ Zambian copper assets, a senior Vedanta executive told Reuters. IRH, a unit of Abu Dhabi’s International Holding Company which holds about $244-billion in assets, is interested in acquiring a stake in Konkola Copper Mines (KCM) and is conducting due diligence on the assets, Chris Griffith, Vedanta’s chief executive for base metals, said.