The United States is set to impose 50% tariffs on $20 billion worth of Canadian products early Saturday after last-ditch negotiations failed to resolve the latest strain in already tense relations between the historic allies.

In an interview, Jamieson Greer, Trump’s trade representative, laid out details of the trade offer that the United States made to Canada before talks crumbled.

US President Donald Trump's 50-percent tariffs on certain Canadian goods which took effect Saturday delivered another blow to bilateral trade, renewing focus on Ottawa's efforts to reduce dependence on its southern neighbor.

The last-minute collapse of a trade deal between the United States and Canada threatens key industries and higher prices for consumers in both nations.

Top Canadian negotiator Dominic LeBlanc said that a US trade deal was not finalised, with just hours left until a midnight deadline when steep new tariffs are set to come into force.

Hefty US tariffs on some Canadian products took effect on Saturday after days of negotiations that went down to the wire failed to produce an agreement.The lack of a final agreement means that new 50-percent duties,

Premier Wab Kinew's comments signal a tough battle for Prime Minister Mark Carney to get buy-in from Canadians on a possible trade deal with the US.

US-Canada trade talks collapsed late Friday, triggering 50% US tariffs on about $20 billion of Canadian goods and a pledge from Prime Minister Mark Carney to retaliate dollar for dollar. Joining Bloomberg This Weekend are Bloomberg White House Correspondent Jeff Mason and Bloomberg Markets and Economic Columnist Jonathan Levin to discuss how the dispute could deepen a lasting rupture between the allies while tariff-driven inflation,