Chinese security forces watch the crowd but do not interfere, local sources say.
Chinese authorities try again to reduce the population of Serthar county's Larung Gar Buddhist Academy.
Lobsang Tsering was enrolled in restive Kirti monastery, the scene of frequent protests against Chinese rule.
Villagers oppose Chinese gold-mining operations on a nearby sacred mountain.
Property owners had applied for permission to build, but were turned down after failing to pay bribes, sources say.
The assault follows other raids last year against 'illegal' structures financed and built by nomads on their own land.
Freed three years ago after serving a 21-year term, he is seized by police at midnight in Tibet's capital Lhasa.
They are told not to block construction of a road planned to support mining operations in the area.
They are taken away by police with no word given on their present whereabouts or charges made against them.
Dangerous roads and exposed power lines lead to injuries and deaths, a local source says.
He has six years left to serve of a 13-year sentence for calling for the Dalai Lama's return to Tibet.
Police also found a call for Tibetan freedom written on the wall of his room, sources with contacts in the region say.
He is taken into custody while walking in prayer near his monastery, an exile source with local contacts says.
The practice of saving lives improves future rebirths for those taking part, Buddhists believe.
Chinese authorities change course after first telling Tibetan protesters they had no right to block the work.
Poetry writer and social commentator Jo Lobsang Jamyang is jailed for seven and a half years on unspecified charges.
More than 100 villagers have blocked traffic on a roadway, fearing more environmental damage from the mining activities.
A young monk is released after serving a two-year term, and a popular singer is freed after briefly being held for singing a banned song.
She calls out for Tibetan freedom and the Dalai Lama's return after setting herself ablaze outside a monastery.
He is taken away after displaying a photo of exiled spiritual leader the Dalai Lama and calling for Tibetan freedom.
They are taken into custody after trying to mediate in an argument between a Tibetan and a Chinese driver.
The move follows three decades of indiscriminate Chinese logging and ineffective government efforts at reforestation.
He was jailed for resisting political reeducation and refusing to criticize exiled spiritual leader the Dalai Lama.
A second group comes to protest in support and is also taken into custody, sources say.
Four people avoid jail, but face longer term for property seizure at the heart of the dispute over development.
Relatives and friends are warned they will be held responsible if any photos are taken or circulated following his release.
Replacements are hired based on 'backdoor connections' with influential county officials, sources claim.
Chinese law guarantees the freedom of expression, writer Shokjang says in his petition for release from jail.
They had tried to reclaim land seized for a government development project on which no work was ever done.
A local leader and two others are being held for taking part in a group chat about the Sikyong, Tibet's exile political leader.