Deployment of tear fuel within Kwai Fong station on 11 August was condemned by authorities, as indoor use may possibly bring about a stampede and also the concentrated chemicals pose serious wellness risks with no adequate air flow. The deployment of excessively significant numbers of police officers and visible weighty https://www.theguardian.com/world/2019/sep/09/hong-kong-police-accused-of-violence-against-journalists-covering-protests