Crowds of Tibetans gathered for the funeral of a farmer who burned himself to death in China, sparking a stand-off with police.
The farmer aged 44 was the second person to set himself alight this week in Qinghai province.
Rights groups said truckloads of armed police arrived in Rebkong, but withdrew after a confrontation with mourners.
The UK-based Free Tibet group said it was one of the largest protests by Tibetans since 2008.
US-based Radio Free Asia quoted a Tibetan source as saying 7,000 people had come to Rebkong.
Activists say 30 Tibetans have set themselves on fire in the past year, many of them monks, in protest at Beijing's rule.