滋事分子 meaning in English

trouble-makers

In response to media enquiries on an incident in which police officers were reportedly intimidated by trouble - makers in yau ma tei in the early hours of yesterday ( february 11 ) , a police spokesman said today ( february 12 ) that the police were very concerned about the matter and that the kowloon west regional headquarters would conduct a review of the case
警方发言人今日（二月十二日）回应传媒查询有关报章报道昨日零晨在油麻地有滋事分子涉嫌挑衅警员一事，强调警方十分关注有关报道，西九龙总区正检讨事件的处理过程。