North Korea's Oct. 9 atomic test was a "a clear setback" for the Nuclear Nonproliferation Treaty regime but the international community should try to address the problem by looking at why countries want nuclear weapons, the head of the International Atomic Energy Agency said Friday.
"Countries try to develop nuclear weapons because they sometimes feel insecure, they sometimes feel threatened and they sometimes feel that nuclear weapons will bring some power and prestige," Director General Mohamed ElBaradei told a news conference at the Japan National Press Club.
"We need to work on all these motivations," ElBaradei said, adding that sanctions were not a long-term remedy to prevent nuclear proliferation.
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