Oh, say, can you hear that? Canadian NHL fans booed the Star Spangled Banner at an Ottawa Senators game Saturday, hours after President Donald Trump’s tariff on the country became official. Fans at the Canadian Tire Center in Ottawa were none too pleased to hear the national anthem of the USA — booing and jeering as singer Mandia started and ended her rendition of the patriotic US tune,

Video shows Canadian Hockey fans booing the "Star Spangled Banner" at an NHL game after President Trump announced tariffs on Canada, Mexico and China.

On Saturday, CTV in Canada captured footage of Ottawa Senators fans booing the American national anthem before their team's home game against the Minnesota Wild—before switching to raucous applause for "O Canada.