An explosion has been reported at Foxconn’s Chengdu manufacturing plant, causing a number of casualties. Citing a variety of Chinese news sources, M.I.C. Gadget reports that the explosion occured around 7:00 p.m. local time in building A5 of the complex, and had that a doctor on the scene said he had already seen six or seven people injured, with more reports injury expected. According to the report, there were hundreds or more workers inside…