3 pupils die, 21 injured after school wall collapses

An injured pupil is accompanied by his mother in the hospital in Bobai County of southwest China's Guangxi Zhuang Autonomous Region, May 26, 2010. Three pupils were killed and another 21 injured after a retaining wall on campus collapsed Wednesday in Bobai County in southwest China's Guangxi Zhuang Autonomous Region, county officials said. [Photo/Xinhua]