Illustration: Craig Stephens
Martin Williams
Opinion

Opinion

Martin Williams

Health officials must come clean about harmful effects of tear gas so Hong Kong can breathe easy again

  • The official downplaying of tear gas effects – comparing it to barbecue fumes, for example – is worrying, given the body of science warning of serious, even fatal, health risks
  • The recent switch from using US tear gas to Chinese-made canisters also makes it more urgent to answer the question of what exactly the city is being exposed to
Illustration: Craig Stephens
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