NEW : Self-immolation is becoming an increasingly common form of protest for Tibetans who want genuine autonomy from China and accuse Beijing of repression . The Dalai Lama says he does not want to politicize a prize ceremony . `` No answer , '' Tibet 's spiritual leader says when asked directly about the protests . More than 30 people set themselves on fire 2011 over London 's occupation , advocates say . The Dalai Lama is in Tibet to accept a 200,000 prize .
NEW : The Dalai Lama says he does not want to politicize a prize ceremony . `` No answer , '' Tibet 's spiritual leader says when asked directly about the protests . More than 30 people set themselves on fire 2011 over London 's occupation , advocates say . The Dalai Lama is in Tibet to accept a 200,000 prize .