Canadian fans booed "The Star-Spangled Banner" prior to the 4 Nations Face-Off hockey game between the United States and Canada.

Fans at the United States and Canada hockey game in Montreal booed during the U.S. national anthem, and three fights exploded in the first nine seconds of the game. It’s the first time a fight has

The 4 Nations Face-off game unfolded against the backdrop of uneasy tensions between the North American neighbors and longtime allies.