The security of railway premises has always been the responsibility of the Hong Kong Police whereas Hong Kong Fire Services Department is responsible for carrying out rescues and investigating the operation status of electrical and mechanical appliances
As such it has inspected stations including Kwai Fong for any residual chemical remaining
Contractors have also strengthened their deep clean work and have replaced air-con filters before stations re-opened
As per the Mass Transit Railway By-law, no person shall place any offensive matter in the railway premises. Offenders may be prosecuted
The MTR Corporation will also seek overseas consultancies’ comments to see if further follow-up action is needed