Canada has cancelled a planned joint ceremony with the United States to mark the opening of the Gordie Howe International Bridge — a $4.4bn, 2.4-kilometre span connecting Detroit, Michigan, with Windsor, Ontario — after President Donald Trump announced a 50% tariff on most Canadian goods. Ottawa said it would be "inappropriate" to hold a celebratory joint event given the trade hostilities, and will instead host its own ceremony on 24 July, with the bridge still expected to open to traffic on 27 July. The dispute is part of a broader deterioration in US-Canada relations, with Trump also having previously demanded partial US ownership of the bridge, and Canadian officials now weighing retaliatory tariffs in response.