The world's biggest mining company - BHP Billiton - has recorded it's biggest loss ever: almost $6.5bn. The firm's losses could affect some of the world's poorest countries. Show more
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The world's biggest mining company - BHP Billiton - has recorded it's biggest loss ever: almost $6.5bn. The firm's losses could affect some of the world's poorest countries. Show more
The BBC's international radio station
