Breaking news tonight, the shocking ambush here in the nation's capital.

Two members of the National Guard shot, forcing a lockdown at the White House and a ground stop at Reagan National Airport.

The terrifying scenes in downtown D.C.

Videos showing the moment police took down a suspect.

Look at this, witnesses running for cover.

The president promising to punish the shooter

as the Pentagon asks to send more troops into the city. Officials now investigating it as terrorism.

The shooter, we're told, an Afghan national. The holiday snowstorm slamming the Midwest, white-out

conditions, and icy highways, tractor trailers, jackknifing, hundreds of crashes,

plus a small plane flipping on takeoff in Michigan there, where the storm is heading next.

A deadly and colossal fire in Hong Kong, flames ripping through high-rise towers with people trapped inside.

New police video showing the moments just before the shocking death of a Dallas Cowboys player,

the high-speed highway chase, and why did officers handcuff his pregnant girlfriend?

Holiday message, our reporter with Pope Leo,

with the first American Pope told her about why Thanksgiving is so important.

A high-end wine heist straight out of a movie, thieves, snatching bottles worth tens of thousands of dollars and setting off a high-speed chase.

And the moment this Porsche in pursuit hit another car.

The rescue caught on camera, a sheriff's captain,

diving into a flood to save two women.

And the giant balloons now inflated for tomorrow's big Thanksgiving parade,

but it's the miniature versions making all of us smile tonight.

Nightly News starts right now.

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