15 dead after bus falls into ravine in SW China

Rescuers work at the accident site after a bus plunged into a deep valley at Zhegu Mountain in Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province, March 13, 2012. Fifteen people were killed and six others injured in the accident, according to local authorities. A total of 21 passengers were on the bus when it overturned into the valley with depth of about 100 meters at Tuesday noon. (Xinhua/Li Qiaoqiao)