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.

Canadian Prime Minister Justin Trudeau called President Trump’s tariffs on steel and aluminum imports “entirely unjustified” and said the country would respond “if it comes to that.” “Tariffs on

President Donald Trump on Monday imposed a 25% tariff on all steel and aluminum imports into the United States with no exceptions or exemptions.