The U.S. and Canada men’s ice hockey teams, set to play in the 4 Nations Face-Off tournament final on Thursday night, have come to represent more than just their athletic skill. On both sides of the border,

Fans are booing the U.S. national anthem. It happened earlier in NHL games and continued on to the huge USA-Canada matchup at the NHL 4 Nations Face-Off. When the “Star-Spangled Banner” was performed, the fans at Montreal’s Bell Centre booed … and they did so loudly for the entirety of the anthem.

As soon as the singer, Royal Canadian Air Force member David Grenon, began belting, “Oh, say, can you see,” the crowd at the Bell Centre in Montreal let out an aggressive and booming chorus of boos that nearly drowned out the anthem entirely.