 It also lists many shortcomings found during 'stress tests', in which some safety aspects of plants were found not to meet existing standards.It will now require all power plants to build a set of safety systems of last resort, contained in bunkers that will be hardened to withstand more extreme earthquakes, floods and other threats than plants themselves are designed to cope with.It will also adopt a proposal by EDF to create an elite force that is specifically trained to tackle nuclear accidents and could be deployed to any site within hours.