Iranian state television broadcast detailed instructions on what to do in the event of a nuclear attack. This report follows public discussions in the media about a possible US attack on the fortified underground Iranian nuclear complex at Mount Pickax (near Natanz). Among the recommendations: don't look at the flash lie on the ground behind the nearest solid shelter, cover your head and face with your hands you can't wait out two blast waves - back and forth - you can't get up until they pass take shelter from radiation in the shelter and stay there for at least 24 hours.