Dude was just wandering near Capitol Hill with a semi-auto just because:
This video was apparently taken just across from Union Station, which is a few blocks from the Capitol.
Capitol Police confirmed to Fox News that the gun was an AR-15, and the man has been arrested. Authorities believe he was acting alone.
The department had sent out an alert that Capitol police was responding to a suspicious package in the Upper Senate Park.
Possible bombs, crazy men with rifles... man, DC should pass a few dozen more gun laws. That'll do it!
More from Capitol Police:
Take a good look, cuz this one is gonna drop out of the news cycle in about 3 seconds!
Add it to the growing list of chaos in DC:
P.S. Now check out our latest video 👇