https://techcrunch.com/2019/08/19/twitter-china-fake-accounts-hong-kong/

Twitter says a significant information operation involving hundreds of accounts linked to China were part of an effort to deliberately “sow political discord” in Hong Kong after weeks of protests in the region.

In a blog post, the social networking site said the 936 accounts it found tried to undermine “the legitimacy and political positions of the protest movement on the ground.”