Hong Kong police arrested at least 53 people after scuffles erupted during a protest against planned national security legislation. The proposed law has raised concerns that Beijing is further eroding the extensive autonomy promised when Britain handed the territory back to China in 1997. China has said the law is aimed at tackling separatism, subversion, terrorism and foreign interference.
The UK gave Hong Kong back to China under the condition that it is semi-depened from China and there paws until 2040. But you can see China doesn't like to follow agreements