Hundreds of Canadian workers, many in the steel and aluminum sectors, have been laid off as a result of U.S. President Donald Trump's tariffs, according to a major union and companies. Economists warned this was only the beginning as the impact of tariffs is expected to broaden the longer they are in place.

After weeks of political whiplash, President Trump has officially increased tariffs on all steel and aluminum imports to 25% which is already prompting promises of retaliation from the EU, C