India, Feb. 2 -- Oh, say, can you hear that? Canadian hockey fans made their feelings loud and clear as they booed the U.S. national anthem at an Ottawa Senators game on Saturday. The protest came just hours after former President Donald Trump's latest tariffs on Canada took effect, igniting frustration among many north of the border.

The national anthem performance, led by Ottawa-based singer Mandia, was met with jeers from the nearly 20,000 spectators in attendance at the sold-out Canadian Tire Centre.

Just hours before the game, Trump announced a 25% tariff on Canadian and Mexican imports, along with a 10% tariff on goods from China, set to take effect on Tuesday. He justified the move by linking it to the ongoing fentanyl crisis and...