Trump’s comments come after Monday's press briefing, where White House Press Secretary Karoline Leavitt was asked to walk through the decision to halt weapons to Ukraine. Leavitt stated it was the result of a standard review by the Pentagon of all weapons and aid to all countries that the U.S. supports.

President Donald Trump is again pushing back the deadline on his so-called "Liberation Day" tariffs, delaying implementation from this week to next month.

Japan and Korea were the first to receive letters informing them of a 25 per cent tariff rate each. But Canada is likely not going to be affected by the administration's flurry of trade deals and letters this week.