Chairman of Sha Tin District Fight Crime Committee (STDFCC) Mr Wong Ka-wing and two directors of a kindergarten in Ma On Shan presented flags to Commander of Shatin District Kwan Chui-ching, Commander of Ma On Shan Division (MOSDIV) Fung Ngai-man, Assistant Divisional Commander (Operations) Hung Yat-na and officers of Task Force Sub-Unit (TFSU) of MOSDIV on December 14, 2017, in appreciation of their swift detection of a case of "Object Dropped from Building".

Upon receiving reports of "Object Dropped from Building" in Chung On Estate from last October to November, officers of TFSU MOSDIV apprehended a suspect in an operation on November 22 and sent her to court for trial.