The tariffs will apply to millions of tons of steel and aluminum imports from Canada, Brazil, Mexico, South Korea and other countries that had been entering the U.S. duty free under the carve-outs.

As top exporter of steel and aluminium to the US, Canada sees new trade barriers as a threat to their economy.

The implementation of 25% taxes, which are added to the levies on China, affect Canada above all. The move represents an ...

President Donald Trump is betting a trade war will usher in the manufacturing revival that eluded his first term as he begins ...