Earlier today, a small plane crashed into a seven-story IRS office building in Texas. The crash looks like it may have been planned and been a protest due to an earlier internet posting by the attacker, which suggests so. Officials have labeled the attack a criminal one and not terrorist as it seems the individual was acting alone.
source: http://online.wsj.com/article/SB100...3401102945506.html?mod=WSJ_hpp_LEFTTopStories
source: http://online.wsj.com/article/SB100...3401102945506.html?mod=WSJ_hpp_LEFTTopStories