IGO's board is siding with its CEO-elect Ivan Vella after concluding no information was compromised as a result of his actions.

The Canadian miner has also halted its massive copper mine in Panama as the country's Supreme Court debates whether to cancel the mining contract.

Canada's First Quantum Minerals sent two notifications of intent to start an arbitration process against Panama.

Protesters attacked workers leaving the Cobre Panama mine early Sunday.

Nickel prices in London are heading for a 46% fall this year, the largest slump since the financial crisis in 2008.

The decision favors BHP, which seeks to hold Vale liable for 50% or more of any damages awarded to the victims.

Miner is considering cutting jobs at two units in South Africa because of declining platinum-group metal prices.