That is literally the video of the off duty cop shooting a 14 year old in the leg. The mob that attacked him with sticks and petrol bombs were in response to him discharging a firearm in an area that crowded, and hitting a young teenager. What kind of misinformation are you trying to spread? Do you post Twitter instead of news because you are afraid of people hearing the whole story?
https://www.hongkongfp.com/2019/10/04/breaking-man-shot-off-...