The Israeli military said an entire Tehran neighborhood should evacuate ahead of planned strikes there, as residents of Iran’s capital piled onto roads heading north to seek shelter from the fourth day of bombardment.

Israel expanded its surprise campaign against its main rival with a strike on the world's biggest gas field.

Israel unleashed airstrikes across Iran for a third day Sunday and threatened even greater force as some Iranian missiles evaded Israeli air defenses to strike buildings in the heart of the country.