Rio Tinto , agreed to pay $138.75 million to settle a lawsuit that accused the Anglo-Australian mining giant of defrauding investors by concealing problems with its $7 billion underground expansion of the Oyu Tolgoi copper and gold mine in Mongolia.

The company agreed to pay $138.75 million to resolve a class-action lawsuit that alleged the company concealed problems during the expansion of a giant copper mine in Mongolia.

Rio Tinto agreed to pay US$138.75 million ($213.65 million) to settle a lawsuit that claimed the mining giant defrauded investors by withholding information on cost increases and delays at the Mongolia Oyu Tolgoi copper and gold mine.