Xu, who recently called on supreme leader Xi Jinping to resign, is detained using a nationwide facial recognition system in the southern city of Guangzhou.
They thought Pyongyang and Washington would strike a deal for sanctions relief, but now they just want their money back.
A senior official says farmers will receive compensation for land, crops, and lost livelihoods.
Most Tawu infections have been found among members of three families, state media and other sources say.
A source said the woman took her own life because she could not bear life in detention.
Plaintiffs target power purchase agreement, saying impact is greater than predicted.
Observers say authorities change the narrative on minorities when it suits their needs.
Many workers are afraid to approach authorities because they are working illegally in China.
Refugees fleeing China's rule in Tibet may now be sent back, with long-time Tibetan residents of Nepal subject to possible future extradition for 'political offenses.'
Families call on their government to bring loved ones home from Wuhan, but Taipei is blaming Beijing for the delay.