Canada suspended US trade talks and announced retaliatory tariffs after Trump imposed 50% duties on $20B of Canadian exports including dairy,

Canada said the United States intends to impose the 50% tariffs at midnight on approximately $28 billion worth of Canadian goods.

Canadian Prime Minister Mark Carney vows to retaliate, says his country recognized that 'America has changed' and that the two countries would 'not return to our old relationship'