The 23 were arrested over a 2-day period during wage protests in January. Officials acted with live ammunition. There has been no investigation into the killings of the 4 workers. 这23个人在一月的工资抗议中,已经有两天时间被捕了.有关人员用了荷枪实弹进行逮捕.目前尚未对这四名遇害人员进行调查. _______________________________________