Fans at a Toronto Raptors game continued an emerging trend Sunday of booing the American national anthem at pro sporting events in Canada.

Fans of the NBAB次元官网网址檚 lone Canadian franchise booed the anthem after similar reactions broke out Saturday night at in Ottawa, Ontario, and Calgary, Alberta; hours after U.S. President Donald Trump made his threat of on AmericaB次元官网网址檚 northern neighbor .

After initially cheering for the 15-year-old female singer, fans booed throughout B次元官网网址淭he Star-Spangled BannerB次元官网网址� performance. At the end, mixed boos and cheers could be heard before the crowd erupted in applause for the Canadian anthem, B次元官网网址淥 Canada.B次元官网网址�

Trump declared an economic emergency in order to place taxes of 25% on imports from Canada and Mexico and 10% on imports from China. Energy imported from Canada, including oil, natural gas and electricity, would be taxed at a 10% rate.

Canadian Prime Minister Justin Trudeau and MexicoB次元官网网址檚 president on goods from America in response.

U.S. national anthem boos in Canada are rare, but not unheard of especially when tied to world events. In the early 2000s, fans at games in Canada booed to show their disapproval of the U.S.-led war against Iraq.

The NHLB次元官网网址檚 Canucks will host the Detroit Red Wings Saturday night in Vancouver, British Columbia.