PoliticsHong Kong: concern over tear gasTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoPolitics11/28/2019November 28, 2019Residents of Hong Kong say the widespread use of tear gas is causing them to develop health problems. Police have fired more than 10,000 canisters of the substance at protesters since June. https://p.dw.com/p/3TtxMAdvertisement