A Canadian singer tapped to perform her country’s national anthem before Thursday’s U.S.-Canada hockey game used the opportunity to send a strong message to U.S. President Donald Trump. Grammy award-winning songbird Chantal Kreviazuk,

Before the puck drop at the inaugural 4 Nations Face-Off championship game in Boston, multiple fights had already broken out between Team USA and Team Canada fans in the lead up over the weekend. On Thursday, the night of the final, tensions were high as singer Chantal Kreviazuk took to the ice to sing Canada’s national anthem, “O Canada.”