AlQa'dah 25, 1433, Oct 11, 2012, SPA -- Three people were killed in a construction site collapse on Wednesday in northwest China's Shanxi Province, local authorities said Thursday. The accident occurred around 6:50 p.m. at a Xinfei Group construction site in the village of Maojiazhuang in Liulin County, sources with the county's press office said. All three workers died after they were sent to a local hospital, Xinhua quoted the sources as saying. An investigation into the cause of the accident is underway.