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Medical workers carry out emergency treatment on patients poisoned by leaked chlorine at a hospital in Yinchuan, northwest China's Ningxia Hui Autonomous Region July 10, 2006. More than 164 people fell ill after a chlorine leak at a chemical company in Yinchuan.

Medical workers carry out emergency treatment on patients poisoned by leaked chlorine at a hospital in Yinchuan, northwest China's Ningxia Hui Autonomous Region July 10, 2006. More than 164 people fell ill after a chlorine leak at a chemical company in Yinchuan.

A medical worker carries out emergency treatment on a patient poisoned by leaked chlorine at a hospital in Yinchuan, northwest China's Ningxia Hui Autonomous Region July 10, 2006. More than 164 people fell ill after a chlorine leak at a chemical company in Yinchuan.

(Xinhua News Agency July 10, 2006)