North Korea is blocking entry of South Korean workers into a joint industrial zone just north of the border, jeopardizing the last remaining sign of cooperation between the two foes.
ແຫຼມເກົາຫຼີ ຍັງສືບຕໍ່ ມີຄວາມເຄັ່ງຕຶງສູງ
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South Korean soldiers conduct field firing drills near the demilitarized zone separating the two Koreas in Paju, north of Seoul, April 2, 2013.
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South Korean Army armored vehicles cross a pontoon bridge during an exercise against possible attacks by North Korea near the demilitarized zone in Hwacheon, South Korea, April 1, 2013.
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North Korean women walk in front of portraits of North Korea's founder Kim Il-sung (L) and late leader Kim Jong-il at Kim Il-sung Square in Pyongyang, in this photo provided by Kyodo, April 1, 2013.
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North Korean leader Kim Jong Un presides over a plenary meeting of the Central Committee of the Workers' Party of Korea in Pyongyang March 31, 2013 in this picture released by the North's official KCNA news agency.