Mark Carney warns Canadians of “tough days ahead” as the Canada-U.S. trade war intensifies over retaliatory tariffs. Canada imposed tariffs of up to 50% on $20 billion of U.S. goods, prompting President Trump to announce new measures targeting Canadian imports.Watch Carney’s warning, Trump’s response, Canada tariffs, U.S. tariffs and the latest developments in the escalating trade war.

Canadian Prime Minister Mark Carney has shown he will not be pushed around by his neighbour. He is taking a big risk.

Canada struck back at Trump on Tuesday with tariffs on about $20 billion worth of U.S. goods.