Xu Wanping says after his early release that it would be 'impossible' for him to change his political stance.
Lin Dong is detained following protests at the Yue Yuen factory in Dongguan.
State media lashes out at the end of his Asia trip, saying the US regards Beijing as an enemy.
Gao Yu had commented on an anti-graft campaign and on Chinese policy in the troubled region of Xinjiang.
Many are enraged in particular by censorship of The Big Bang Theory from a popular video-streaming site.
His trial takes place behind closed doors, and the authorities are denying he had a grievance against the government.
The maneuvers are seen as a show of force aimed at discouraging unrest in the capital.
U.S.-based whistleblowing doctor Wan Yanhai says hundreds are helping government investigators with the probe.
Calls grow for an independent investigation into the death of Chinese rights activist Cao Shunli.
New rules say complaints against the government must be dealt with at the local level.
Authorities have shut down two water supply companies after excessive levels of ammonia-nitrogen are found in a major river.
The two men were helping striking workers draft clear proposals in the ongoing dispute.
Former Masanjia inmate Liu Hua escapes from house arrest after being released from a detention center.
The massive sinkhole takes with it three generations of the same family, their house and much of their farm.
Five urban management officers are set upon by enraged bystanders after beating a citizen journalist.
Thousands join the strike in defiance of official warnings over the consequences.
Two of the activists look set to appeal their 'unjust' jail terms.
Environmentalists warn the true levels of pollution may be much higher, however.
Herders say their livestock have been killed by river pollution from a mining company.
Song Lin has vowed to pursue the individuals and organizations responsible through the courts.
The factory numbers Nike and Adidas among its clients, but its workers say they are owed payments.
Two more Zhou allies are investigated, while a former president turns out in public to show support.
Tan Zuoren says he will focus on allegations of shoddy school construction linked to graft.
Southern Maoming city sees a second bout of violent clashes this month.
Part of Lanzhou's water supply is shut off as benzene levels reach 20 times national safety limits.
Xu reacts with defiance in court, saying the case against him is 'absurd.'
Veteran activist Zhao Changqing says he wasn't present at last year's anti-graft protests.
Analysts say anti-corruption probes are being used as political campaigns.
The court refuses to provide original documents in the portfolio of evidence for the prosecution, they say.
Riot police are deployed to break up the protest over an end to guaranteed jobs for the children of employees.