Pema Samdup was detained in Lhasa in March, with family members never formally notified of his arrest.
China's claims of religious freedom, economic progress, and historical control are unfounded, Tibet's exile government says.
Wangchuk had shared books by the Dalai Lama and other banned material on social media, sources say.
Lhadar opposed Beijing's rule in Tibetan areas and had been placed on a police 'watch list,' a local source says.
Guarantors whose guests violate terms of their entry to Tibet face demotion or dismissal from their jobs, one source says.
Thubten Pema Lhundrub was detained five months ago, and has not been heard from after refusing to spy on other Tibetans.
Tibetans must choose their own religious leaders free from interference by Beijing, US Ambassador at Large for International Religious Freedom Sam Brownback says.
Geshe Jampel Lobshe, a widely respected religious leader, had trained in India as a young man and then come back to Tibet to teach.
Many jobs remain out of reach, however, with competition from Chinese applicants and required proficiency in Mandarin.
Authorities feared protests in Nepal by Tibetans opposed to Chinese rule and policies in Tibet.
The members of the Tibetan Youth Congress were arrested at various locations throughout Chennai.
Nepal restricts Tibetan delegates from returning from India after key exile meeting in Dharamsala.
The activists were planning to protest a visit by Chinese President Xi Jinping.
Friend thinks Sonam Palden was targeted for WeChat posts critical of Beijing.
Tibetans also stayed away from their major Buddhist temple to avoid offending the government, a U.S.-based Tibet said.
Satellite images show the scope of demolition, while a local source tells of evicted monks and nuns.
In the lead up to the October 1 holiday, the capital of the Tibetan region is under heavy security.
The staged displays mask China's ongoing assault on Tibet's culture, religion, and history, an advocacy group says.
A campaign against 'evil forces' meanwhile targets political dissent and expressions of Tibetan culture and identity, sources say.
Beijing's claims of authority over a future Dalai Lama are part of a 'long-term strategy' to tighten its control over Tibet, one rights group says.
The case of the missing Tibetan religious leader shows China tries to undermine Tibetan Buddhist culture, the Helsinki Foundation for Human Rights says.
The six were arrested upon reaching Nepali soil and swiftly handed over to China on Sept. 5.
Police are deployed throughout the crowd, while cameras monitor Tibetans' movements and officials give speeches denouncing the Dalai Lama.
Lobsang Dorje, a monk at Ngaba's Kirti monastery, was arrested in July 2018 on suspicion of keeping 'outside contacts.'
Reports from Tibetan graduates seeking work conflict with accounts in state-controlled media.
A vast expanse of grass is all that remains of half the complex in Sichuan.
Rinso, a resident of Sichuan's Dzoege county, is held and and then released amid a crackdown on politically sensitive content online.
The cards collect electronic data on the card-holders that can be used to monitor and punish behavior, Tibetan advocacy groups say.
Traditional gatherings in Tibetan areas grow in size as Tibetans assert their cultural identity in the face of China's domination.
Taken away by Chinese police on unknown charges, only one is known so far to have been sentenced.