Changsha police reported on the 3rd that after the collapse of self built houses by residents in Changsha, Hunan Province, Changsha public security organs continued to promote the investigation of the project. After investigation, Wu mousheng (from Wangcheng District) and Ling mouxing (from Yueyang) were involved in the illegal transformation of the self built house and were suspected of the crime of major liability accident. On May 3, the public security organ criminally detained the above two persons according to law. At present, the case is being further handled. (Xinhua News Agency)