World leaders call nuclear terrorism a grave threat
March 27, 2012 11:23
At the ongoing world Nuclear Security summit in Seoul, world leaders have called for closer cooperation to tackle the threat of nuclear terrorism. South Korean President Lee Myung-bak said nuclear terrorism remained a "grave threat", while US President Barack Obama said action was key. Chinese President Hu Jintao urged the group to work together on the issue.
Read the bbc report.