Hong Kong news updates
https://news.rthk.hk/rthk/en/component/k2/1492775-20191117.htm
news.rthk.hk
Police confirm use of long-range acoustic device
The police on Sunday confirmed that they had used a long-range acoustic device on an armoured vehicle during an operation to clear protesters near Polytechnic University, saying its purpose was to issue warnings. Police said the device was a broadcasting…