HONG KONG - OCTOBER 15: Protesters gather outside the police headquaters at Wan Chai after a TV footage show a social worker and member of the Civic Party, Ken Tsang beaten by 7 police officers on October 15, 2014 in Hong Kong, Hong Kong. Police have begun to take measures to remove the blockades put in place by pro democracy supporters following weeks of protests. Protesters continue to call for open elections and the resignation of Hong Kong's Chief Executive Leung Chun-ying. (Photo by Lam Yik Fei/Getty Images)
