The US foreign investment regulator has given its approval to Rio Tinto and Chinalco’s proposed $26 billion deal. The tie-up would see them take a small indirect stake in an American copper corporation, and needed clearance from the Committee on Foreign Investment in the United States. It still needs approval from the Australian Government, with the Foreign Investment Review Board due to report in mid-June about whether the deal should be allowed to proceed.
See http://www.abc.net.au/news/stories/2009/05/15/2571459.htm?section=justin