US steel tariffs likely to trigger swift EU 'safeguard' – sources

US President Donald Trump's plan to impose steel import tariffs for national security reasons would likely trigger a swift "safeguard" action by the European Union, political and industry sources said. Resorting to a Cold War-era law, Trump has initiated a 'Section 232' review of the US steel industry that allows for the imposition of tariffs or quotas on imports if they are found to threaten national security.