[image: A BHP Billiton heavy earth mover]<http://news.bbc.co.uk/2/hi/business/7841417.stm> Australian nickel mine to close <http://news.bbc.co.uk/2/hi/business/7841417.stm>
Mining giant BHP Billiton says it will close a nickel mine in Australia and lay off some 6,000 staff worldwide.
