President Donald Trump has said he will announce a 25% import tax on all steel and aluminium entering the US, a move that will have the biggest impact in Canada.

President Trump delayed aggressive tariffs on imports from Canada and Mexico, but people close to him warn that more duties are coming—and won’t so easily be averted.

U.S. President Donald Trump said he will announce on Monday that the United States will impose 25 per cent tariffs on all steel and aluminum imports, including from Canada and Mexico — a move that prompted sharp criticism from some provincial premiers.