Gruinard and anthrax.

An interview with Dr Alastair Hay, Professor of Environmental Toxicology at the University of Leeds. In the wake of September the 11th, and the underground chemical attack in Tokyo, Dr Hays talks about the threat of chemical attacks, and the use of anthrax. He talks about Gruinard Island, which was bombed with anthrax, by the British government in 1942.