Embattled miner Mineral Resources and its managing director Chris Ellison have vowed to vigorously defend a class action over an offshore tax scandal that is now the subject of a probe by the corporate watchdog. Embattled miner Mineral Resources and its managing director Chris Ellison have vowed to vigorously defend a class action over an offshore tax scandal that is now the subject of a probe by the corporate watchdog. National / WA Sydney Morning Herald – Latest News