Fans at BMO Field boo U.S. anthem prior to Toronto FC's home opener against Chicago

Fans at Toronto FC's home opener against the Chicago Fire showed their displeasure at the U.S. by booing The Star-Spangled Banner on Saturday.

The booing was steady, followed by an enthusiastic rendition of O Canada.

Fans also booed the U.S. anthem at B.C. Place Stadium when the Los Angeles Galaxy visited Vancouver on March 2.

Canadian soccer fans have followed hockey in showing their displeasure at U.S. President Donald Trump's tariffs against the country and talk about Canada becoming the 51st state.

The US anthem was booed by Toronto FC fans