More than 400 people are expected to lose their jobs after BHP Billiton tore up a $360 million mining services contract with Downer EDI.

BHP cancelled the contract two years early at the Goonyella Riverside coal mine in central Queensland, amid persistent weak global coal prices. Downer employs 427 people at the BHP Mitsubishi Alliance (BMA) site for pre-stripping – the removal of unwanted material before mining. Both Australia’s coal and mining services industries…