Authorities had harassed Tibetans suspected of planning birthday celebrations for the exiled Dalai Lama.
They are left severely injured, with the older man transferred to a hospital in Lhasa.
The 'illegal' dwellings had ruined the view of a lake, authorities said.
The village had been rebuilt after being demolished once before by authorities last year.
They had called for freedom for Tibet and the return of exiled spiritual leader the Dalai Lama.
They had rejected offers of money in exchange for their approval of the work.
Numbers of fatalities and injuries are expected to rise as reports come in from remote areas.
Numbers are expected to climb as communication with remote areas on both sides of the border is restored.
Taken into custody as a young boy by Chinese authorities, he has not been heard from since.
They fear the destruction of grassland and water sources for their herds.
No one knows why the writer named Lomig was detained or where he is.
He was thought to have been detained after local officials visited his home.
Father of seven sets himself on fire to protest China's rule in Tibetan areas.
Views of 17th Karmapa run counter to China's insistence that it alone will choose the next Tibetan spiritual leader
He had helped to lead a protest urging the return of community land taken by Chinese authorities.
He will be taken into custody again when his term ends as monastery chant leader, authorities say.
Woman, 47, from Chokri Ngagong nunnery becomes 138th Tibetan to make fiery protest since 2009.