*updates below**

This is not the first time in the last few years that this portion of the Capitol Building has been on lockdown. Today there is a report of a shooting on Third Street. Police are on the scene of course and the Capitol visitors center and other nearby buildings have been locked down.

Fox News reports on air that two people are in custody, but that information could change as the story is just now breaking.

Something happening at US Capitol/Mall. Dozens of cops, riding bikes onto sidewalks, driving down grass on Mall

— Sarah E. Yerkes (@SarahEYerkes) July 12, 2016

BREAKING: US Capitol, visitors center on lockdown with police investigating.

— The Associated Press (@AP) July 12, 2016

And Rayburn House Office Building; probably the entire Capitol complex https://t.co/CEXWLCuJhp

— Michael Keaton (@RealMikeKeaton) July 12, 2016

UPDATE 1: From NBC:

An email from USCP has ordered people in all buildings to take cover and head to their assigned shelter in place location. Police said all buildings are locked down, and no one will be permitted to enter or exit.

Police said there are reports of a man with a gun in the area.

U.S. House members are still voting during the lockdown. Police are not allowing anyone to leave the room they are currently in.

UPDATE 2: Some outlets report the lockdown has been lifted. Awaiting confirmation from more sources.

Police received call about a man with a gun near the US capitol, and after a brief shutdown, we have an all-clear. https://t.co/WztfpfVEfL

— KSL Newsradio (@kslnewsradio) July 12, 2016

UPDATE 3: Mutliple outlets now stating lockdown lifted. ABC affiliate reports that police found a man with a “machine gun” whatever that is supposed to mean.