案情简介2004年6月27日上午10时许,年已六旬的胡某到农贸市场购菜。那天是星期天,农贸市场人也特别多。当他走到一个卖猪肉的档口附近时,见一群人正在围观他人争吵。原来是买猪肉的吴某,因猪肉的质量问题与卖猪肉的张某发生争吵。当时围观人员较多,正当双方争吵愈来愈激烈,要动手 Brief introduction of the case June 27, 2004 at 10 o’clock in the morning, the sixty year-old Humou to the farmers market to buy food. That day is Sunday, farmers market is particularly large. When he walked near a stall selling pork, a group of people were looking around for quarrels. The original is to buy pork Wu, because of the quality of pork and pork sold Zhang quarrel. At that time more onlookers, just more and more intense argument between the two sides, to start