It may take some time for the extent of the damage to be known but in the meantime I urge those in the regions to follow the advice, monitor the situation through Emergency WA and stay safe.".Former Australian Prime Minister Malcolm Turnbull says there is a need for renewable energy sources to be pursued as a matter of national security.Mr Turnbull is currently hosting a Sovereignty and Security forum with Professor David Kilcullen, who is a strategy and politics expert at the University of New South Wales.The former Prime Minister says investment in domestic energy sources is critical in events such as the current fuel crisis."We are more secure when we are less dependant on imported fossil fuels As many people have said, there is no strait which can be blocked to stop the sunshine or the wind.".The Coalition is calling for a halving of the fuel excise for three months.Nationals Leader Matt Canavan says the $1.5 billion dollar proposal would be funded by axing the tax exemption for electric vehicles, pausing home-battery subsidies, and cutting government subsidies for green hydrogen - measures he estimates would cut the price of petrol by 26 cents a litre."This will mean that for the average family, filling up, they'll save around $50 dollars a week by having this reduction in excise and that will at least provide some sort of relief."The Prime Minister says fuel supplies are secure in the near-term.Anthony Albanese says he'll convene the National Cabinet on Monday which will consider a number of measures to address the crisis alongside the recently appointed national coordinator."A global crisis needs a national response and that is what we are doing