Official who quashed 2011 protests is named Hong Kong national security chief

Zheng Yanxiong will work with police to stamp out pro-democracy demonstrations 8 minutes ago Yuan Yang , Nicolle Liu and Qianer Liu Police arrest a protester in the Causeway Bay area of Hong Kong on Wednesday, after Beijing passed new anti-subversion laws. Photograph: Lam Yik Fei/New York Times A Communist Party official who gained notoriety for his violent suppression of protests on the mainland has been appointed chief of Hong Kongࢀ™s new national security office. Zheng Yanxiong (56) has been given substantial power over residents as well as foreign businesses under the territoryࢀ™s new anti-subversion laws. He had previously overseen…