His cousin says he was arrested for maintaining contact with family members who fled the region.
The wife of Yu Wensheng, who has been held incommunicado for a year on suspicion of 'subversion,' receives the prize in his absence.
Ji Xiaolong is sentenced to three-and-a-half years after complaining about indefinite rule by China's president.
Police detain and place under house arrest dozens of would-be supporters and fellow activists, cordoning off the court building.
Observers say that the decision shows that the judiciary lacks independence from the government.
Ti-Anna Wang and her family are turned away at the airport in spite of obtaining a valid visa, amid an ongoing diplomatic row over Huawei.
The Chinese Communist Party is hoping that teachers from the former colonies and the democratic island of Taiwan will pledge to uphold its rule.
Ethnic Mongolians fear the ruling Chinese Communist Party is about to begin a new 'wave of persecution' in the region.
But a critic of strongman PM Hun Sen say such a move is conceivable given his ties to her family.
Even courses in Tibetan medicine and ethnic studies are now taught only in Chinese, sources at the school say.