Her self-immolation outside police offices in Gansu is the second such protest to occur in Tibetan areas of China this month.
They are taken into custody as authorities enforce curbs on sharing politically sensitive information.
Festival participants had paraded photos of exiled Tibetan spiritual and political leaders.
Authorities had harassed Tibetans suspected of planning birthday celebrations for the exiled Dalai Lama.
His burning brings the number of the fiery protests challenging China's rule in Tibetan areas to 140.
He had blocked police efforts to claim the remains of a monk who burned himself in a protest last year.
He had served a seven-year term for his role in 2008 protests challenging Chinese rule in Tibetan areas.
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.
He wrote about the deployment of Chinese security forces in Tongren.
The monk was released after serving time for giving information to outside sources about the 2008 Tibet unrest.
The monk was released after serving a seven-year sentence for challenging Chinese rule in Tibet.
Tibetan protesters cycle through China's prison system, as some are released and others are taken into custody.
Chinese authorities forbid family and friends from holding a public reception welcoming his return.
His detention follows the roundup earlier this month of seven monks from the same monastery.
Authorities warn area residents against taking photos or filming videos of the monk's return to his home.