President Donald Trump ordered a 25% tariff on steel and aluminum imports, escalating his efforts to protect politically important US industries with levies hitting some of the country’s closest allies.

President Trump agreed to delay tariffs on Mexico and Canada for a month after both countries pledged to do more to block drugs and migrants.

The United States' northern neighbor is wasting no time when it comes to Donald Trump's tariffs and the looming threat of a North American trade war

President Trump has proposed a sweeping set of tariffs. Does this mark the end of the post-war free trade world?

Amid warnings of price increases, Canada moved quickly to retaliate, China said it had planned countermeasures and Mexico said it would soon unveil its response.

This will be the golden age of America! Will there be some pain? Yes, maybe (and maybe not!). But we will make America great again, and it will all be worth the price that must be

Canada and Mexico ordered the tariffs despite Trump’s further threat to increase the duties charged if retaliatory levies are placed on American goods.

Canada is Ohio's largest trading partner. The tariff fight between the U.S. and Canada will likely affect workers, consumers and businesses.