The man is believed to still be alive, but his whereabouts and his condition remain unclear
Tibetans say 153 people have set themselves on fire since 2009; most perish in the protests
Gyari Rinpoche, the Dalai Lama’s envoy to Washington, drew world leaders, celebrities and everyday people to the Tibetan cause
Exiled Tibetan President Lobsang Sangay expresses his deep concern at reports of yet another self-immolation
Filmmaker Dhondup Wangchen has joined his wife and four children in San Francisco
The president spoke out after the 152 person since 2009 set himself on fire, reportedly calling for Tibet's freedom
There have been over 140 such acts in Tibetan areas since 2009
