South Korea said there was "very high" probability that North Korea, engaged in weeks of threats of war, would launch a medium-range missile at any time as a show of strength despite diplomatic efforts to soften its position.
South Korea's Defense Ministry denied suggestions that a nuclear arms test was imminent in North Korea, saying reported movements around the reclusive country's atomic site were routine, contradicting earlier comments.
As the rhetoric from North Korea flares up, NBC's Jim Maceda has the latest update.
Rhetoric is heating up: North Korea's army warned that it has been cleared to wage an attack on the US, while the US said it will deploy a missile defense system to Guam.
Joseph Cheng, Chair Professor at City University of Hong Kong says Kim Jong-Un's regime probably thinks the best way to strengthen North Korea's security is to complete the nuclear weapons program, noting it would provide a valuable bargaining chip for diplomatic recognition.
Uwe Parpart, Managing Director, Head of Research at Reorient Financial Markets says North Korea restarting the uranium enrichment plant could lead to collaboration with Iran.
North Korean leader Kim Jong Un's brinksmanship is in full bloom. Foreign-policy analysts agree the situation is troubling, though there's a deep difference of opinion on what approach would convince Kim Jong Un to play nice. NBC News reports.
There are new accusations today about a chemical weapons attack in Syria. Is now the time for U.S. to step in? House Intelligence Committee Chairman Mike Rogers, shares his opinions.
U.S. Defense Secretary Chuck Hagel announced plans on Friday to bolster U.S. missile defenses in response to "irresponsible and reckless provocations" by North Korea, which threatened a preemptive nuclear strike against the United States last week.
Joseph Detrani, President at Intelligence and National Security Alliance explains why North Korea needs to be very concerned about how China is reacting to their provocations.
Ali Vaez, Senior Analyst, International Crisis Group explains why he is cautiously optimistic about the prospects of the Iran nuclear talks.
Michael Hudson, Professor at the National University of Singapore discusses his expectations out of Iran's nuclear talks with world powers in Kazakhstan.
North Korea's latest belligerent talk isn't just cheap rhetoric: North Korea is preparing for a war because, in their eyes, the US may really be planning an offensive.
Tilman Ruff, Associate Professor at University of Melbourne explains why China's position in dealing with North Korea's nuclear tests is critical.
Sean King, Senior Vice President, Park Strategies warns that another nuclear test may be on the cards from North Korea despite global outrage over the last one.
North Korea conducted its third nuclear test on Tuesday in defiance of U.N. resolutions, drawing condemnation from around the world, including from its only major ally, China, which summoned the North Korean ambassador to protest.
Daniel Harden, Senior Commercial Dealer, Global Reach Partners says financial markets are shrugging off North Korea's nuclear test to focus on upcoming risk events.
In an interview with an Egyptian newspaper, Iranian President Mahmoud Ahmadinejad says Iran is "already a nuclear state," and that Iran has no intention of launching an attack on Israel. Danielle Pletka, American Enterprise Institute, offers insight.