People in a narrow alley react to tear gas fired by riot police during a dispersal operation in Mong Kok on November 11. An estimated 88 per cent of the Hong Kong population has been exposed to tear gas since June. Photo: Sam TsangPeople in a narrow alley react to tear gas fired by riot police during a dispersal operation in Mong Kok on November 11. An estimated 88 per cent of the Hong Kong population has been exposed to tear gas since June. Photo: Sam Tsang
People in a narrow alley react to tear gas fired by riot police during a dispersal operation in Mong Kok on November 11. An estimated 88 per cent of the Hong Kong population has been exposed to tear gas since June. Photo: Sam Tsang

Letters | Tear gas at Hong Kong protests: why more must be done to address public concerns

  • Simply saying there are ‘no anomalies’ in air samples is woefully inadequate. Questions need answering, such as: Which authorities are in charge of decontamination? What are the longer-term effects of tear gas exposure?
Topic |   Hong Kong air pollution
People in a narrow alley react to tear gas fired by riot police during a dispersal operation in Mong Kok on November 11. An estimated 88 per cent of the Hong Kong population has been exposed to tear gas since June. Photo: Sam TsangPeople in a narrow alley react to tear gas fired by riot police during a dispersal operation in Mong Kok on November 11. An estimated 88 per cent of the Hong Kong population has been exposed to tear gas since June. Photo: Sam Tsang
People in a narrow alley react to tear gas fired by riot police during a dispersal operation in Mong Kok on November 11. An estimated 88 per cent of the Hong Kong population has been exposed to tear gas since June. Photo: Sam Tsang
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