Welcome to the NewsHour. We're in the third day of the American and Israeli war against Iran,

and the U.S. State Department is now calling on Americans to evacuate more than a dozen countries in the Middle East.

Today was marked once again by punishing airstrikes across the Islamic Republic.

In response, Iran continues to widen the war, sending volleys of missiles and

rockets across the region, targeting most of its Arab neighbors and Israel. Meanwhile,

the Pentagon announced that at least six U.S. service members have been killed in reprisal attacks.

Nick Schifrin begins our coverage.

Today in Tehran, the epicent of this widening war, the plumes of smoke were massive and the explosions thunderous.

Some of the capital streets engulfed in debris and dread.

Entire buildings collapsed, a police station converted into a carcass.

The Iranian Red Crescent Society says the war has killed more than 550.

One explosion hit one of Tehran's most prominent hospitals. 550.

One explosion hit one of Tehran's most prominent hospitals.

Nurses evacuated babies and incubators.

The campaign is the largest in Israel's history, targeting leadership and military. And American Tomahawk missiles and air strikes are targeting Iran's missile infrastructure.

We continue this mission with ferocious, unyielding resolve to crush the threat this terrorist

regime poses to the American people.

The war also threatened service members.

Three American F-16s accidentally shot down by Kuwaiti air defense.

No problem.

One female pilot met by grateful Kuwaiti civilians.

No problem.

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