A fireworks blast killed four, including an infant, and injured another two Sunday in east China"s Anhui Province, Xinhua reported. The blast occurred at 2 p.m. in a farmer"s home, which had no production license, in Lianyun Township, Yuexi County. Six rooms collapsed, a spokesman of the county government said. The injured were in stable conditions, he said. The householder Jin Jiaming, who was killed in the explosion, had transported fireworks raw materials from another illegal workshop in Zhongguan Township, the spokesman said.