First aiders treat a woman affected by tear gas during anti-government protests in Central, Hong Kong. Photo: K.Y. Cheng

First aid tips for passers-by exposed to tear gas, petrol bombs or blue dye from water cannons

  • What should you do if you are caught up in urban unrest and exposed to toxic chemicals? Experts offer advice
  • If tear gas gets into your home, items trapping dust need to be cleaned thoroughly or disposed of, and surfaces washed with detergent or baking soda
Topic |   Wellness
First aiders treat a woman affected by tear gas during anti-government protests in Central, Hong Kong. Photo: K.Y. Cheng
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