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Published on Nov 23, 2010
Tensions are high on the Korean Peninsula following an artillery exchange Tuesday between the two sides that left two South Korean marines dead. It was one of the most dramatic confrontations between the two sides since the Korean War ended in 1953. And it comes on the heels of a trip to North Korea by a team of top nuclear scientists, including Siegfried Hecker, the former director of Los Alamos National Laboratory. Hecker says North Korea is working on two new nuclear facilities, a water power reactor and a uranium enrichment plant. The latter is significant because it could produce enough highly enriched uranium to make a nuclear weapon. VOA's Laurel Bowman has more.