Tonight the severe storms colliding with holiday travel just as millions of Americans are getting away for the Labor Day weekend

severe weather unleashing tornadoes, heavy rain and flooding in In the northeast, a massive sinkhole,

swallowing up a truck, the major headaches, long lines at the airport,

with air travel expected to break records,

more than 5,000 flight delays nationwide.

Plus, the NHL Star and his brother, killed while biking by a suspected drunk driver.

The tragedy coming just hours before the brothers were going

to attend their sister's wedding. Breaking tonight the Dallas police officer

fatally shot inside of his squad car and what police just revealed calling his death and

execution. The new headlines from those two big political interviews, former

President Donald Trump walking back comments he made to NBC news criticizing Florida's

abortion ban after conservative backlash and Kamala Harris defending her

shifting positions on policy. The pause in fighting in Gaza to vaccinate children for Pomeo. The baby

who earlier this summer was just learning to crawl now stricken with the first case of

polio in Gaza in 25 years.

And the mother who lost nearly everything in a flood

and the other mom who reunited her with a prize possession

she found floating in the shore.

This is NBC Nightly News with Lester Holt.

And good evening, I'm Tom Yama, Sin for Lester. We begin tonight with the severe

storms causing chaos at America's airports just as the Labor Day travel rush

gets into full swing. We're tracking thunderstorms on the move you see here in the

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