When the American flag was raised , the national anthem was overwhelmed out by boos and shrieks -- a photographer attempting to get a photo of the scene was hit with rocks .
A U.S. player , Gideon Nelson , was hit with a walking cane .
When the U.S. flag was raised , the national anthem was overwhelmed out by boos and shrieks -- a photographer attempting to get a photo of the scene was hit with rocks .
A U.S. player , Gideon Nelson , was hit with a walking cane .