Wang Qiuyun said her passport was seized, preventing her from reporting on the efforts to end discrimination.
A meeting of party elite might appease the public but left little room for an independent judiciary.
Police swept the area the day after Hong Kong’s leader said he is ready to start talks with protesters.
The dialogue offer denied the protesters’ key demand: changing Beijing’s role in Hong Kong elections.
But as Beijing backs Leung Chin-ying, despite growing unpopularity, there’s no question of quitting.
The video apparently showing police beat a protester could become a new rallying point for pro-democracy forces.
Police appeared to gain the upper hand for the first time since the pro-democracy protests began.
Police warn of further action after students push back against a bid by opponents to remove the barriers.
Yawning inequality and soaring property prices in the city helped provoke the mass demonstrations.
Embattled Chief Executive Leung Chun-ying says the protest movement has “spun out of control.”