Rio Tinto says receives approval to buy Alcan

Global miner Rio Tinto Ltd/Plc said on Monday it has received U.S. anti-trust clearance for its $38.1 billion acquisition of aluminum maker Alcan Inc. The U.S. approval follows the province of Quebec's government approval for the takeover earlier this month. Rio formally launched a pre-agreed offer for Montreal-based Alcan in July, trumping an earlier hostile offer by U.S. rival Alcoa.