For the past six months, the anti-extradition bill protests have turned China's Hong Kong Special Administrative Region into a battleground. Brutal behavior from violent rioters, such as blocking the airport and police stations, obstructing subways, forcibly occupying campuses, stabbing a lawmaker and setting fire to an old man trampled on law and social order.
RT, a Russian English-language news channel, has posted a video which explains what sparked the unrest and the violent activities that fueled them.
Click on the video for the details.
(Video source: RT; compiled by Cheng Weidan)