"Authorities responded Saturday to reports of shots fired on the West Front of the U.S. Capitol Building, prompting the entire building to be placed on lockdown.

Fox News confirmed the shooter died of ‎a self-inflicted gunshot wound. The gunman killed himself just before 2 p.m."

http://www.foxnews.com/us/2015/04/11/us-capitol-building-on-lockdown-after-reports-shots-fired/

With Shootouts almost every week happening, I really fees US should start enforcing a strict gun law.