This article is about the hong kong police using the over violent to the hong kong protesters. 
Some students and protesters  who were requesting the real democracy and public elections , which means hong kong people would not have any  opportunities  to select their own chief executive . therefore, the students and protesters  deserved to change the system. They planned to sit in protest and tried to  gain the public awareness the system is not democracy and not accroding the hong kong policy 'one country , two policies '  . 
however those polices used the pepper gas and the rubber bullet focused  on  the protester. The policeman spokesmen said that they were using the lowest violent to the protesters . based on my opinion , policeman did absolutely wrong 。the police spokesmen claimed that used the 'lowest' violent . Comparing with another counteries and cities , they will not use the pepper gas and the rubber bullets when the protesters dont have any weapons. They will use the rubber bullets and pepper gas while the protesters have some high damage and harmful weapons such as pistols , fire rocket etc 
To sum up , i wish hong kong ultimately can get the real democracy 。