On the broadcast, the ceasefire holding, plus why the White House is slamming an initial damage

assessment of those Iranian nuclear sites. Today, bombs landing, targets exploding. Inside the tense

hours that nearly derailed President Trump's push for a ceasefire, Iran's deadly strikes on Israel,

the president's urgent calls for Israel not to strike back.

They came out and they dropped a load of bombs, the likes of which I've never seen before.

The biggest load that we've seen, I'm not happy with Israel. I'm not happy with Iran either.

Plus our new reporting on the B-2 mission and initial damage report,

finding the bombings were not as effective as President Trump claimed. Deadly heat wave more than

150 million sweltering under an unrelenting heat dome, pavement buckling across the Midwest. In some

places, the power is out as thousands wait for the AC to come back on.

The Washington Monument shut down too hot to visit as hurricane season gets fired up in the Atlantic.

Sucked out at 16,000 feet, the near disaster aboard that Alaska Airlines flight, a plane in the air with a massive hole.

Tonight we're learning the one employee that knew how to install that door plug properly was on vacation. Alligator Alcatraz

inside the new migrant detention center being built in the Everglades. Florida's AG saying

alligators and pythons will be waiting for anyone who escapes.

And Cliffhanger, the semi-driver, hanging on for dear life as his truck dangles over a rock ledge.

This is NBC Nightly News with Tom Yamas.

And good evening.

Tonight a fragile ceasefire holding as new questions emerge about the impact of those U.S. air strikes.

NBC News reporting tonight that the American strikes on those three Iranian nuclear facilities only set back Iran's nuclear program by three to six months.

That according to one preliminary intelligence assessment. The White House now

calling this initial assessment flat out wrong. President Trump rebuking both Israel and Iran today

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