Rio unit eyes US$2.4b rights offer for Mongolia mine

Turquoise Hill Resources, the Rio Tinto unit that produces copper in Mongolia, may go ahead with a US$2.4 billion share offer after it failed to arrange funding to expand its Oyu Tolgoi mine.

via Business feed http://www.scmp.com/business/money/markets-investing/article/1357301/rio-unit-eyes-us24b-rights-offer-mongolia-mine