U.S. President Donald Trump said on Sunday he will introduce new 25% tariffs on all steel and aluminum imports into the U.S., on top of existing metals duties, in another major escalation of his trade policy overhaul.

Patriotic sentiment is bursting in Canada after President Trump’s threat to apply hefty tariffs and even annex the country. The damage to the two nations’ relationship could be lasting.

Trump told reporters aboard Air Force One that the tariffs, which he will announce on Monday, will apply to "any steel coming into the United States," adding this will also affect aluminum.

US President Donald Trump signed an executive order on Friday delaying tariffs on lower-value packages from China that enjoy the exemptions until the US Commerce Department can confirm that procedures and systems are in place to process packages and collect tariff revenue.

President Donald Trump has paused imposing tariffs on small-value packages arriving from China, apparently to give federal agencies time to sort out how to process millions of such shipments that have come through the U.