Check out what happened during the semifinal match between Ronnie O'Sullivan and Judd Trump at the 2013 World Snooker Championship . . . which is like the British version of pool.  Anyway, an audience member noticeably passed gas during a pretty quiet and tense moment in the game.  The commentator made fun of what happened, and someone who worked at the venue had to quiet everyone in the audience for laughing.  Here's a clip.