Illegal gold mining has left at least 2,000 children suffering from lead poisoning in several villages in Zamfara State of Nigeria, where more than 400 children have already died from contamination...Lead has been dispersed in the villages by the processing of ore for gold extraction...Most of the victims are from Bagega village, a 9,000-strong farming and herding community where all 1,500 children suffer from lead poisoning.