A-Nya Sengdra, a Tibetan nomad and environmental activist from eastern Tibet was detained on 4th September 2018. 4th September, 2021 marks three years since his arrest.
He was sentenced to seven years in prison on false charges. His arrest and detention appears to be a response to his peaceful activism as an environmentalist, community leader and anti-corruption activist. He has committed no crime under Chinese or international law and should be freed.

Detained By The Chinese Police

Tibetan Protester Dies From Prison Torture After Being Released to Hospital  — Radio Free Asia

Kuchok Jinpa, 51year old tour guide died in Lhasa hospital from prison injuries. He was detained by the Chinese authorities in 2013 and later on convicted him of leaking states secrets for passing information to foreign media about local environmental and protest in his region.

Joint Press Conference by 6 Tibetan NGO calling for immediate release of Lhundup Drakpa and Tharpa and justice for Lhamo who was murdered in Chinese prison.

Joint Press Conference by 6 Tibetan NGO calling for immediate release of Lhundup Drakpa and Tharpa and justice for Lhamo who was murdered in Chinese prison.
Chinese authorities have sentenced a Tibetan singer, Lhundrub Drakpa, to six years in prison for performing a song that criticised repressive government policies in Driru County, Nagchu City, Tibet Autonomous Region (TAR), in the Tibetan province of kham. Drakpa was detained in May 2019, less than two months after the song, ‘Black Hat’, was released in March. He was sentenced in June this year after more than a year of pretrial detention without any access to legal representation and fair trial rights.
The deteriorating situation in Driru is also evidenced by the custodial death of Lhamo in the August 2020, a Tibetan herder, a mother of three, and the ongoing detention of her cousin, Tenzin Tharpa.