The international community reacted sharply to news that North Korea had detonated an atomic device February 12, 2013, -- its third nuclear test since 2006. You can read about the test and U.S. reactions here.
The United Nations seems ready to hit North Korea with more sanctions, but many sanctions are already in place. The question is, if sanctions haven't prevented North Korea from setting off A-bombs, will more sanctions make any difference? And if not, what will?