Tonight, as we come on the air, new developments in the deadly secret service shootout near the White House.

The latest today with that lockdown lifted after gunfire erupted at a secret service checkpoint.

You hear it there, agents killing the suspect in a dramatic shootout, bullet holes, and shattered glass in buildings nearby.

What we're now learning about both the gunmen and the bystander who was also hit.

New questions tonight about the future of the war in the Middle East, President Trump now saying

he won't rush into a deal with Iran just a day after calling it largely negotiated.

Toxic threat, the race to control this tank filled with hazardous chemicals. The worst case scenario? A dangerous explosion in Southern

California. New tonight, why a crack in the tank might actually be a good thing. Dangerous floods

and torrential rain from the Gulf to the northeast. In West

Virginia, Boy Scouts rescued from a riverbank. Oh my God. Downpours flooding out roads like this,

neighborhoods surrounded by water. The forecast ahead with the threat of more rain tomorrow.

And there's good news tonight about the magic touch making this prom night extra special.

This is NBC Nightly News with Hallie Jackson.

Good evening.

Tonight we are learning new information about the chaotic shooting near the White House with those shots fired just feet from the North lawn.

And now we know the identity of the suspect killed by the Secret Service.

We also have new word on how another person is doing, believed to be a bystander who was also hit by gunfire.

It's happening just a month after an attacker got past a checkpoint at the White House correspondence dinner where the president was set to speak.

Our Julie Serkin is at the White House and starts us off tonight.

Tonight we are learning more about the suspect who opened fire outside of the White House Saturday.

What is that?

It sounds like fire.

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