<p>Pacific National said it expects freight services on the Perth-Kalgoorlie line in Western Australia to be disrupted until the weekend, as efforts are made with Westnet to clear two derailments on the line.</p> <p>Two Pacific National trains came off the tracks within an hour of each other on Sunday (January 30), leaving dozens of wagons blocking the line.</p> <p>One derailed near the mining town of Koolyanobbing about 200 km west of Kalgoorlie, and the other derailed near Merriden.</p> <p>No-one was injured in either incident and the Australian Transport Safety Bureau is investigating the cause of the derailments.</p> <br />
