Andrew Forrest’s Fortescue Metals Group has redoubled its attack on BHP Billiton’s Pilbara iron ore business with a FMG-linked company lodging documents that could allow it to wrest control of two BHP iron ore exploration tenements in the Pilbara.

Andrew Forrest’s Fortescue Metals Group has redoubled its attack on BHP Billiton’s Pilbara iron ore business with a FMG-linked company lodging documents that could allow it to wrest control of two BHP iron ore exploration tenements in the Pilbara.