Doctors give medical treatment to patients who got poisoned in a sulfur dioxide leak, in Zhenjiang City, east China's Jiangsu Province, July 12, 2012. A small amount of sulfur dioxide was leaked in a chemical plant belonging to Jiangsu SOPO Group Co., Ltd. in Zhenjiang City on Thursday morning, causing 28 people poisoned. The 28 patients who remain in the hospital are under observation and in no imminent danger. (Xinhua)
