They were part of the fear mongering leading up to the Iraq invasion. I remember them being in the news here but I dont know how widely they were distributed.
The packet was at the back of the locker underneath the bandages. I do remember us receiving it in the post!
The Irish Government was, and still is, worried about Sellafield, a huge nuclear reprocessing plant lying on the west coast of Britain in northern England. Apparently if it blows up like Chernobyl, all the nuclear debris will float over Ireland. The Irish believe terrorists will target it.