Four villagers were killed and another one injured on Sunday after a blast tore apart a village house in southwest China's Yunnan Province, local authorities said. The accident, which happened at about 10:30 a.m. in Shangjie village in Zhenxiong County, was caused by explosives that had been stored in the house, Xinhua quoted an official from the county government as saying. The injured person has been admitted to a local hospital.