DUBAI - Iranian authorities have arrested hundreds of people and executed half a dozen in a sweeping security crackdown that analysts say is aimed at exerting control after a brief but punishing war with Israel exposed Iran’s deep infiltration by Israeli intelligence.

President Trump claimed Iran's nuclear sites were "obliterated," but the U.N.'s top nuclear inspector says the country can quickly resume uranium production. CBS News speaks with locals in Tehran amid rising fears.

The head of the UN’s nuclear watchdog says US strikes on Iran fell short of causing total damage to its nuclear program and that Tehran could restart enriching uranium “in a matter of months,” contradicting President Donald Trump’s claims the US set Tehran’s ambitions back by decades.

More than a week after US and Israeli strikes, Iran is assessing what it calls “seriously damaged” nuclear facilities, and while not ruling out future talks with the U.S., a spokesperson stated they are not “very soon.