Search Results for: Residues
gas as an offensive weapon, [ ] firing it indoors inside a railway station, [ ] and using expired tear gas, which could release toxic gases upon combustion, [ ] and firing canisters from high-rise buildings. [ ] between june and november , approximately volleys of gas had been fired. [ ] chemical residues
gas as an offensive weapon, [ ] firing it indoors inside a railway station, [ ] and using expired tear gas, which could release toxic gases upon combustion, [ ] and firing canisters from high-rise buildings. [ ] between june and november , approximately volleys of gas had been fired. [ ] chemical residues...
https://en.wikipedia.org/wiki/2019%E2%80%9320_Hong_Kong_protests