After investigation, about 20 minutes before the incident, also near the South Island farm market in a deliberate injury cases, the victim Lin by three unidentified young men with a knife stabbed.

• 经侦查，案发前20分钟左右，南岛农场市场附近也发生一起故意伤害案件，受害人林某被三名不明身份的男性青年用刀砍伤。