A commander directs firefighters to put out fire at the Luoran chemical plant in Guxian Township of Yanshi City, central China's Henan Province, on July 15, 2009. A blast occurred at the Luoran chemical plant on early Wednesday morning, which was followed by a fire. The blast caused at least four people dead and more than 100 others injured. The investigation of the accident was underway. [Xinhua]

Injured people receive medical treatment in hospital in Yanshi City, central China's Henan Province, on July 15, 2009. A blast occurred at the Luoran chemical plant on early Wednesday morning, which was followed by a fire. The blast caused at least four people dead and more than 100 others injured. The investigation of the accident was underway. [Xinhua]