Head of the Jiemeifengyou Chemical Plant receives interview at a press conference in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Sept. 9, 2014. The ammonia gas leak accident that occured on Sunday afternoon injured 49 people, among whom 33 showed poisoning symptoms and four people were seriously poisoned. (Xinhua/Peng Zhaozhi) |