Is there any evidence
Can the connection between tear gas and the open fish market be disproven? Proven?
https://www.hongkongfp.com/2019/08/09/hong-kong-reporters-coughed-blood-developed-rashes-tear-gas-exposure-doctors-say/
https://www.hongkongfp.com/2019/08/09/hong-kong-reporters-coughed-blood-developed-rashes-tear-gas-exposure-doctors-say/