Some residents of a small, steel-producing city in Manitoba are on edge as the U.S. is yet again poised to impose tariffs on Canadian goods — this time on aluminum and steel.

Global tariffs on exports of the metals to the U.S. are set to take effect on Wednesday after midnight. 

Some people living in the city of Selkirk say the 25 per cent levies — which U.S. President Donald Trump threatened to double on Tuesday for Canada before Ontario Premier Doug Ford suspended a tax on electricity to the U.…