Iran has issued a rare nuclear attack survival guide advising citizens to seek shelter, shut off outside-air ventilation and avoid radioactive contamination. The advisory comes amid speculation over a possible American strike on Iran's deeply buried nuclear facilities in the Pickaxe Mountains sought by Israeli PM Benjamin Netanyahu.

Iran has issued a rare nuclear attack survival guide advising citizens to seek shelter, shut off outside-air ventilation and avoid radioactive contamination. The advisory comes amid speculation over a possible American strike on Iran's deeply buried nuclear facilities in the Pickaxe Mountains sought by Israeli PM Benjamin Netanyahu.