Canada introduced limits on how much foreign steel produced in countries other than the U.S. and Mexico can be imported to help a domestic sector reeling from President Trump’s tariffs.

Canada tightens steel import tariffs, slashing tariff-free access by 50%. New measures aim to boost domestic production and counter US and China impacts.

China's commerce ministry called on Canada to correct the "wrong practice" of restrictions on steel imports and said in a statement on Friday it would take necessary measures to safeguard the legitimate rights and interests of Chinese firms.

President Trump said he plans to write to many nations setting a blanket unilateral tariff rate, which he said could be 10% or 15%. "We’ll have well over 150 countries that we’re just going to send a notice of payment out" detailing tariffs,

President Donald Trump said he would send letters to more than 150 countries notifying them their tariff rates could be 10% or 15% as he forges ahead with his trade agenda.