Tonight the escalating conflict the deadliest day of Israeli strikes in Lebanon in

nearly two decades Israel saying it launched strikes on more than a thousand

targets in Lebanon linked to Iran-backed Hezbollah.

Lebanese health officials saying nearly 500 people were killed.

Now more U.S. troops are deploying to the region.

It comes as the high stakes UN gathering kicks off in New York.

Iran's new Vice President speaking out in his first US interview.

What he told us about a potential for a wider war in the Middle East?

Also tonight, the tropical threat expected to strengthen

into Hurricane Helene targeting the Gulf Coast,

a state of emergency in Florida.

We're tracking it.

The suspect in the second attempt to kill former

President Trump in court. The new evidence, including a letter of

prosecutors say he left months ago, saying, quote, this was an assassination attempt and how long they say he was

casing the golf course to carry out his plot. Our latest NBC News national poll

Kamala Harris now leading within the margin of error, but Donald Trump

showing strength in the Sunbelt.

The manhunt in Alabama after a mass shooting left four dead wasn't part of a murder

for hire plot and the massive reward and the

brave mom and the hundreds coming from all over to give her the ultimate gift.

This is NBC Nightly News with Lester Holt.

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