Mexico, Canada and the European Union on Tuesday condemned U.S. President Donald Trump's decision to impose tariffs on all steel and aluminum imports next month, a move that has fanned fears of a trade war as business and political leaders braced for yet more trade duty announcements from the new administration.

Canada, Mexico and the EU on Tuesday slammed US President Donald Trump's "unjustified" decision to impose tariffs on steel and aluminium imports, which has raised fears of a broader trade war. Trump signed executive orders to impose 25 percent tariffs on imports of the metals starting March 12,