Workers and a heavy equipment work at the blast site of a workshop in the Angang Heavy Machinery Co., Ltd. in Anshan City, northeast China's Liaoning Province, Feb. 21, 2012. A blast occurred at 11:30 p.m. Monday (0330 GMT) at a steel-casting workshop owned by Angang Heavy Machinery Co., Ltd., leaving 13 people dead, one missing and 17 injured. (Xinhua/Yang Qing)
