Olympic booing

Rio Olympics 2016: Six types of Olympic booing

While boos have been heard at most Olympics - despite the idea that it's a time when sportsmanship should reign - it's already clear that Rio is noisier than any other recent Games. Here are six types of booing already heard in Brazil.

1. Booing for fun

Brazilian crowds have a tendency to take sides - cheering for one team, or one athlete, and booing their rivals. But they may switch allegiances at the drop of a hat.