During the 4 Nations Face-Off hockey game between Canada and the United States in Montreal on February 15, 2025, fans loudly booed the U.S. national anthem. This reaction came despite requests for respect from the public address announcer

The tension escalated quickly on the ice, leading to three fights within the first nine seconds of the game. The altercations involved players like Brandon Hagel and Matthew Tkachuk, Sam Bennett and Brady Tkachuk, and Colton Parayko and J.T. Miller.
The booing and subsequent fights highlight the rising political tensions between the two countries, which have been exacerbated by recent events