Police have violently clashed with student protesters at newly erected roadblocks in underpass near city's government headquarters. Al Jazeera's Divya Gopalan reports from Hong Kong. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/
