New Canadian levies of up to 50 percent are expected to begin Tuesday, even as Washington warns of a new round of American tariffs.

Counter-measures covering several sectors come after Trump announced 50% tariffs on Canadian goods

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

Canada has imposed retaliatory tariffs on a wide range of American goods. These measures target sectors like steel, dairy, and appliances, impacting US exports. The move escalates…