Barring a commando raid or even a nuclear strike, Iran’s underground Fordo uranium enrichment facility is considered out of reach to all but America’s “bunker-buster” bombs. Trump said he would put off his decision on military involvement for up to two weeks.

Rafael Grossi, director general of the International Atomic Energy Agency (IAEA), told a meeting of the United Nations Security Council on Friday that the biggest concern is the Bushehr nuclear power plant in Iran. Israel has not yet struck the plant.

Russian President Vladimir Putin said hundreds of his country's nuclear experts will continue to work at a power plant in Iran after Israel agreed to guarantee their safety. Over 200 Russian experts are currently working at the Bushehr nuclear power plant on the Persian Gulf,