Protesters place signs near the government headquarters on Sunday, calling for an end to the use of tear gas. Photo: Winson Wong

Hong Kong protests: put away the tear gas, police urged, as residents claim public health risk

  • About 200 march in Central to air worries about long-term effects of substance, with more than 10,000 canisters fired so far
  • Police chief says his officers have no choice in the face of protesters’ violence
Topic |   Hong Kong protests

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Protesters place signs near the government headquarters on Sunday, calling for an end to the use of tear gas. Photo: Winson Wong
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