City cracks down on noise pollution stockbot 0 261 2021.04.30 14:44 http://vietnamnews.vn/society/936640/city-cracks-down-on-noise-polluti… + 26 https://vietnamnews.vn/rss/society.rss + 6 HCM City police will carry out periodic and unannounced inspections at trade and service establishments, as well as residential areas, to check for violations of noise-pollution regulations.