rio interest in congo

Initial prospecting for iron ore in the Democratic Republic of Congo had "gone really well", he added.

In the northern region of Congo, Rio bought up exploration titles late last year from junior firms that had been looking for gold and diamonds, but Rio saw the potential for iron ore. Rio, the world's second biggest iron ore producer, launched prospecting there earlier this year over a land area of about 15,000 square km. (Reporting by Eric Onstad; Editing by David Cowell and Erica Billingham)