Photo taken on Jan. 4, 2013 shows the fire accident site in Lankao County, central China's Henan Province. A fire broke out in a residential building in Chengguan Township of Lankao County at about 8:30 a.m. on Friday and was extinguished about two hours later. Four children were killed on the spot, three died on the way to hospital and one other is still being treated in the hospital. An initial investigation showed that the accident site was an adoptive family where the children killed and injured lived in. The cause of the fire is still under investigation. (Xinhua/Zhu Xiang)