Tibetan exiles escort the coffin containing the body of Tibetan Jamphel Yeshi, 27, inside an ambulance outside a hospital morgue in New Delhi, India, Thursday, March 29, 2012. Yeshi, who burned himself alive on the eve of a visit by China's president, left behind a letter that urged the world to stand up for his homeland, activists said, while Indian authorities detained more Tibetans on Thursday in the Indian capital. (AP Photo/Tsering Topgyal)

Associated Press
Tibetan exiles escort the coffin containing the body of Tibetan Jamphel Yeshi, 27, inside an ambulance outside a hospital morgue in New Delhi, India, Thursday, March 29, 2012. Yeshi, who burned himself alive on the eve of a visit by China's president, left behind a letter that urged the world to stand up for his homeland, activists said, while Indian authorities detained more Tibetans on Thursday in the Indian capital. (AP Photo/Tsering Topgyal)
Tibetan exiles escort the coffin containing the body of Tibetan Jamphel Yeshi, 27, inside an ambulance outside a hospital morgue in New Delhi, India, Thursday, March 29, 2012. Yeshi, who burned himself alive on the eve of a visit by China's president, left behind a letter that urged the world to stand up for his homeland, activists said, while Indian authorities detained more Tibetans on Thursday in the Indian capital. (AP Photo/Tsering Topgyal)