Nigeria, March 12 -- Donald Trump doubled Canadian steel and aluminum duties from 25% to 50%, signaling a major uptick in the US-Canada trade conflict.

This action responds to Ontario's 25% levy on electricity exports to several US states.

Trump said in a message posted on Truth Social on Tuesday, "Based on Ontario, Canada, placing a 25% Tariff on 'Electricity' coming into the United States, I have instructed my Secretary of Commerce to add 25% Tariff, to 50%, on all STEEL and ALUMINUM COMING INTO THE UNITED STATES FROM CANADA, ONE OF THE HIGHEST TARIFFING NATIONS ANYWHERE IN THE WORLD."

Effective March 12th

Trump has once more threatened to make Canada the 51st US state when the tariffs go into force on Wednesday, March 12.

With the...