The Dalai Lama has offered to resign if the situation in Tibet degenerates. His government-in-exile said 19 Tibetans were killed Tuesday in Machu county in China%u2019s northwestern Gansu province. Meanwhile, pro-Tibetan groups published photos they said showed bodies of Tibetans killed by Chinese repression at the Kirti Monastery in Aba county, in the Chinese province of Sichuan
