This is CNN breaking news.

And I'm Aaron Burnett. Welcome to Outfront. This is a special edition of Outfront.

We are live from Los Angeles, a city very much on edge. We are standing amidst the demonstration outside the federal building here in LA.

Right now you see a combination, You see this giant crowd and the California

National Guard, also over my shoulder, some of the Customs and Border Patrol police. We've just

seen a bit of a face-off between the crowd and the police and Customs and Border Police here

just in the past few minutes. And they've sent out, there were about 30 of them I could count,

they've sent out another 10 or 15 in just the past few minutes,

as there was a moment where tensions were really rising here,

some pushing and shoving, now much more quiet.

But this is the situation here in downtown Los Angeles,

and police across L.A. County here tonight

are converging on the downtown area where we are.

You can see it. All of these streets blocked off with massive police presence.

California Highway Patrol, California Police. You see all different groups out there.

Defense officials say they have activated 700 Marines to the L.A. area as well.

That adds on top of the nearly 2,000 National Guard.

The President Trump has said he has authorized to begin mobilizing to coming to this area. Keep in mind, there's

300 of them here already. Some of them we can see behind us. There are California National Guard.

As you can see behind the riot here. You can see California National Guard. Some of those

already here, that was done.

Those National Guard mobilized against the wishes of the California governor here, Gavin Newsom.

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