.在群英北路發(fā)明三個(gè)行蹤可疑的須眉.在對(duì)其舉行盤查時(shí).三名須眉忽然拔刀對(duì)來不迭防御的三名聯(lián)防隊(duì)員行兇.蔡志成被刺成輕傷.兩名隊(duì)友也別離被刺中肝部和肺部 。趕緊救援隊(duì)友.抓開罪犯。在其余隊(duì)友救援時(shí).蔡志從還心系受傷隊(duì)友.兩名隊(duì)友因急救實(shí)時(shí)解圍.而蔡志成因掉血過多.急救無效而壯烈捐軀