NBA heckler yells 'Leave Greenland alone' during US national anthem at London game

The American national anthem being performed before an NBA game between the Orlando Magic and Memphis Grizzlies in London was interrupted on Sunday by a person pleading for the U.S. to "Leave Greenland alone."

Vanessa Williams sang "The Star-Spangled Banner" before the game at the O2 Arena. As she was nearing the end of that song, the heckler let out their outburst. The plea led to some applause in the crowd.

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