He said the introduction of 25% tariffs on steel and aluminium imported in the US on Wednesday was "disappointing". Speaking at an NI Bureau breakfast event in Washington DC, Benn said he didn't want Northern Ireland to be caught in the middle.

Canada and Mexico A 25% import tariff on goods from Mexico and Canada took effect March 4, with an exception for energy products and potash, which received a 10% tariff. The next day, the Trump administration suspended those tariffs until April 2 for autos eligible for duty-free trade under the U.

Alberta's beer industry is paying close attention to the tariff war over aluminum. Microbreweries sell the majority of their products in either tall, short or skinny cans -- all made of the lightweight metal.