Sharon Reich-Garson

Edmunds says it's an unprecedented situation and hard to know.

Forty days of national mourning have been declared in Iran.

There have been emotional scenes on the streets of Tehran, but there have also been celebrations, with videos showing joy and defiance elsewhere, including the toppling of a statue of the Ayatollah.

The U.S.

and Israeli military action have seen protests erupt across the wider region, too.

At least nine people are dead in Pakistan after crowds breached the outer wall of the U.S.

consulate in Karachi.

And in the north of the country, protesters torched a United Nations office.

While in Baghdad, security forces fired tear gas and stun grenades to push back demonstrators near the Green Zone.

Experts have warned how this latest action in Iran could ignite a wider regional war.

Israel says it launched a broad wave of strikes in central Tehran on Sunday and wants to dominate the skies over the capital.

In retaliation, Iran says it's targeting U.S.

bases in countries in the region, telling its neighbors that their fight isn't with them, but with the Americans.

Meanwhile, U.S.

President Donald Trump has warned that Iranian retaliation would cause the U.S.

to hit Iran with a, quote, force that's never been seen before.

I spoke to senior foreign policy correspondent Matt Spitalnik earlier, and he says Trump is now operating on a high-risk, high-reward equation, betting that the payoff will define his legacy.

The action in Iran follows the recent talks on the country's nuclear program.

Our national security correspondent Phil Stewart says that might not have been the focus of this weekend's initial attacks, but Iran's military capability is.

Many U.S.