They had argued over the bill at the hotel's restaurant.
Residents have appealed for years for help, with no response from authorities.
A police officer says accounts of torture at the hands of drunk cops are implausible.
The move is aimed at showing Tibetans 'happy' under Chinese rule.
They had demanded that Tibetans watching an archery competition join them in drinking toasts.
The latest burning protest occurs in front of a police station in Gansu province.
More detentions are expected as county residents challenge rule from Beijing.
He had called out for Tibetan independence during a rally celebrating Chinese rule.
Rival village groups had fought over access to land held in common.
Long hours of work, beatings, and inadequate food are common, says monk who fled to India.
His conviction comes after a second trial following his detention for the fourth time in 2011.
Police delay traffic flows to and from Driru, beat travelers who complain.
Middle Way and independence advocates could compete in open elections, official says.
Chinese police had fired on the crowd, with some protesters dying later of their wounds.
A Chinese official has claimed that the spiritual leader is in discussions with Beijing through his 'personal envoys' about the possibility of his return to Tibet.