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

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

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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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Tear gas fired during clashes between anti-government protesters and anti-riot police at the junction of Nathan Road and Argyle Street in Mong Kok on October 27. Photo: Sam Tsang

Is tear gas in Hong Kong making polluted city take a toxic turn?

  • Repeated use of tear gas by police in almost every district has exposed even children, the pregnant and the elderly to a complex mix of harmful chemicals. This raises deep concerns with regard to public health
Topic |   Hong Kong protests

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Tear gas fired during clashes between anti-government protesters and anti-riot police at the junction of Nathan Road and Argyle Street in Mong Kok on October 27. Photo: Sam Tsang
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