Fears surrounding the GM corn StarLink have led to the cessation of operations at a Kansas mill, following the possibility that its production facilities have been contaminated. The mill is owned by ConAgra Foods , one of the largest packaged-foods companies in the US, and it has revealed that shipments of corn flour will not resume until the facility has been completely cleared out and its inventory is tested. Company spokeswoman, Karen Savinski, commented: "We're doing this as a precautionary measure." She declined, however, to explain why officials thought the mill may be at risk, and which products may be contaminated.The Kansas mill is the second in the US to be disrupted by the presence of StarLink, which has been designed to produce its own insecticide and has not been approved for human consumption. Its French pharmaceutical producer