With all operations halted at Escondida, union spokesperson Carlos Allendes said stockpiles won't last more than a week.

BHP said to declare force majeure

BHP Billiton declared force majeure on shipments from the world's biggest copper mine, sending prices above $US6000 a tonne.

Escondida, which churned out 1.2 million tonnes of the red metal in 2015, will serve as a precedent for the other 15 ...

BHP wage showdown in Chile

A wage negotiation at the world's top copper mine is showing the downside for producers of recovering prices.