The next day an explosion in one of Mechel's mines injured 17 people, and the environmental agency launched an investigation.

ECONOMIST: Business in Russia

Despite a BPA investigation by the Environmental Protection Agency, and other numerous studies, the United States still does not have a nationwide ban of the chemical.

CNN: Ban unsafe chemical from baby bottles and cups

An investigation is being carried out by the Health Protection Agency and environmental health officers from Newcastle Council.

BBC: Street Spice salmonella source 'may not be known'