Lawyers are prevented from speaking during the public order trial of Guo Feixiong and Sun Desheng.
Thousands of riot police move against crowds, clearing the last sections of street.
The students and their lawyer have rejected the charges against them at a court in Urumqi, Tohti's lawyer tweets.
Further operations to clear remaining protest sites are expected later this week.
The party columnist said those who toe the party line deserve a life of enslavement.
Mo Shaoping, who has considerable experience in subversion cases, has been brought in to defend Pu Zhiqiang.
Local authorities have silenced people from discussing the latest incident.
The outspoken reporter hits out at the quality of evidence submitted by state prosecutors.
Wang Mo is the latest of dozens held, as authorities clamp down on support for Occupy Central.
Pu Zhiqiang and Tang Jingling look set to stand trial soon on subversion charges.
Gao Yu's brother says her televised 'confession' was made out of fear of retaliation against her son.
An eyewitness casts doubt on the identity of men who smashed windows with paving stones.
Students vow to remain, as a founder of the Occupy Central movement says they should consider going home.
Gao Yu's lawyers say she was forced to confess in footage shown on state television.
Protesters encamped near government offices say they won't leave unless forced to do so.
The student federation activists had hoped to hold talks with officials in Beijing over their demands for free elections in 2017.
Opinion is increasingly divided over what lies ahead for Occupy Central.