Arrests Follow Capitol Hill Invasion

Arrests are underway and security is being tightened around Washington, D.C. in the wake of Wednesday's pro-Trump riot at the Capitol. NBC's Jay Gray reports.

(NBC News) — Barricades, police and the National Guard have taken positions across Washington D.C., one day after a pro-Trump mobbed stormed the Capitol building as part of a deadly riot.

“The entire D.C. National Guard has been mobilized,” Secretary of the Army Ryan McCarthy said Thursday. “We have also received support from the state of Virginia, Maryland, Pennsylvania, New Jersey, Delaware and New York.”

It’s a show of force that for many is a day too late.

“This was a massive security failure and questions need to be raised immediately about why there wasn’t better preparation for what was not an unanticipated event,” say former CIA Director John Brennan.

Many of the questions are being aimed directly at Capitol Police. Viral video shows officers seemingly moving barricades, allowing the mob to rush in.

The force was clearly under-manned and overwhelmed.

In a written statement, the chief of the U.S. Capitol Police says the riot was unlike anything he’s seen in 30 years of law enforcement and calls his officers “heroes.”

Pictures and video taken inside the Capitol as the riot took place are now being used as evidence, posted by authorities as part of a massive multi-agency investigation into the violent attack.

“We still have a lot of work ahead of us to identify and hold each and every one of the violent mob accountable for their action,” D.C. Metro Police Chief Robert Contee says.

Police say 68 people have been arrested so far.

Read more here.