Shell ticks $50bn gas project; Middle-East threat to gas boom profits; PM puts poll pressure on Turnbull; Oil rig spilling 400 barrels a day; Bosses call for bigger class sizes.

Shell ticks $50bn gas project; Middle-East threat to gas boom profits; PM puts poll pressure on Turnbull; Oil rig spilling 400 barrels a day; Bosses call for bigger class sizes.