http://twitter.com/#!/RBPundit/status/489860706813353985

From ABC News:

http://twitter.com/#!/ABCPolitics/status/489860434535927808

The cause appears to be an unattended package:

http://twitter.com/#!/GioBenitez/status/489861324013191169
http://twitter.com/#!/ABCPolitics/status/489861346784452608

One thing’s for sure: This has been one heck of a day.

http://twitter.com/#!/kansasalps/status/489861135030841344
http://twitter.com/#!/mpoppel/status/489861755586109440

***

Update:

http://twitter.com/#!/jjclo/status/489873503068254208

***

Update:

http://twitter.com/#!/shomaristone/status/489882786783064066

Read more: http://twitchy.com/2014/07/17/what-the-hell-with-today-report-white-house-is-on-lockdown/