Good evening. I'm Amna Nawaz.

And I'm Jeff Bennett. On the news hour tonight, negotiations to end the war falter as the U.S. strikes Iranian missile sites.

We report from the location of a deadly attack on a school in southern Iran.

The president gets his fourth checkup since returning to the White House, renewing public

scrutiny of his health.

And we explore how artificial intelligence and interactive labs are being used to help teach

the next generation of nurses.

The students are here in a safe environment where it's okay for them to make their eras, because that's a teachable moment.

Welcome to the news hour. Two ceasefires are on shaky ground tonight. Iran says the U.S. has violated its

truce after the U.S. carried out what it called self-defense strikes against Iranian missile launch

sites and boats. And Israel is escalating its offensive against Hezbollah in Lebanon. Still, U.S. officials insist both ceasefires remain intact,

and they await a response from Iran on the latest outlines of a deal to end the war.

But at least publicly, Iran is digging in, accusing the U.S. of acting in bad faith,

and Iran's Navy claims that dozens of tankers have passed through the Strait of Hormuz since yesterday only with their permission.

William Brigham starts us off.

Across the airwaves in Iran today, state broadcasters promised consequences for recent U.S. strikes that came in the middle of peace negotiations.

The foreign ministry, in a statement condemning the ceasefire violation by the U.S. terrorist

military, emphasized that the Islamic Republic of Iran will leave no act of aggression unanswered.

And on the streets of Tehran continued public displays of defiance,

like this huge banner depicting President Trump's mouth stitched shut with a ribbon shaped like

the Strait of Hormuz, claiming the U.S. had reached, quote, the breaking point.

The U.S. military said it carried out so-called self-defense strikes last night against

...