Riot police fire tear gas in Kwai Fong MTR station. Photo: Felix Wong
Expert in respiratory medicine urges Hong Kong police to draw up tear gas guidelines after warning of dangers of improper use
- David Hui, chairman of the department of medicine and therapeutics at Chinese University, says some police forces do not follow manufacturers’ guidelines
- Improper use of the crowd-control weapon can do great damage to people’s health and sometimes even be lethal, he warns
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Hong Kong protests
Riot police fire tear gas in Kwai Fong MTR station. Photo: Felix Wong