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(CNN) â€“ Delivering a direct message to North Korea's young leader Thursday, United Nations Secretary-General Ban Ki-moon urged Kim Jong Un to focus less on making threats against the United States, and more on improving conditions for his own people.
"I would strongly ask him to, first of all, refrain from taking any such provocative measures, which is clearly in violation against the Security Council resolution and against the expectation of the international community," Ban said during an exclusive appearance on CNN's "The Situation Room with Wolf Blitzer."
CNN's Brian Todd talks to a former North Korean spy who defected and is now fears the worst amid the latest threats.
There is concern in the international community that Iran and North Korea are cooperating on nuclear development. CNN's Jill Dougherty reports.
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