Homeland security: Pennsylvania Ave. in front of White House shut down

FYI: Hearing that Pennsylvania Ave by the White House is closed to pedestrians. People sent to Lafayette park

— Kane (@Kaneshow) April 15, 2013

As a precaution, the White House has closed down Pennsylvania Ave. in the aftermath of the Boston Marathon bombing and pedestrians are reportedly being sent to Lafayette Park.

Pennsylvania ave cleared out of pedestrians. Lafayette park remains open. pic.twitter.com/2mJIJbSnOF

— Zeke Miller (@ZekeJMiller) April 15, 2013

Pennsylvania Ave. closed to pedestrian traffic as #Boston explosion investigation continues. LATEST: http://t.co/QxIg5YbiOy

— NBCWashington (@nbcwashington) April 15, 2013

Now Secret Service has lined all of PA Ave. on WH block with security tape, keeping folks on Lafayette Park side

— Chuck Todd (@chucktodd) April 15, 2013

https://twitter.com/yolandaslc/status/323893565879111681