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 vehicles turn back after being refused entry to Kaesong, North Korea, April 3, 2013.

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Anti-war protesters raise signs during a rally denouncing the joint military drills between the South Korea and the United States near the U.S. Embassy in Seoul, South Korea, April 3, 2013.

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North Koreans attend a rally against the United States and South Korea in Nampo, North Korea, April 3, 2013.

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South Korean soldiers wearing gas masks gather during their military exercise in the border city of Paju, north of Seoul, South Korea, April 2, 2013.