Tibetan protesters had set fire to two government buildings this week in Kardze Tibetan Autonomous Prefecture.The arsons occurred mid-week in government buildings in Nangdo town in Dege county and Zame town in Kardze county.The building in Zame was completely razed.No one was injured and there had been no arrests.Leaflets and posters calling for independence for Tibet appeared on Sunday across nearby Dege county.In some cases, slogans were even painted on walls and on boulders in the area.Two monks and about a dozen villagers have been detained in Dzamthang county, a Tibetan resident in the area said. He said those detained were beaten and locked up at the Dzamthang county detention center.