Singer Chantal Kreviazuk changed the lyrics of the Canadian national anthem during the 4 Nations Face-Off championship game between the US and Canada on Thursday, adding further fuel to a contest already layered with political tension.

As Trump’s tariffs continue to impact foreign relations, Chantal Kreviazuk made a statement at NHL’s 4 Nations Face-Off game against the United States. The Get to You artist performed the national anthem ‘O Canada’ on Thursday’s game at TD Garden in Boston,

Canadian hockey fans began booing the American national anthem at Bell Centre in Montreal when Team USA played there on Saturday — sparking three fights to break out in the first nine seconds of the game, which the US won 3-1 with Canadian Prime Minister Trudeau in attendance.