The entrance of the Joint Security Area in the Korean Demilitarized Zone, on the DPRK side, with electric fencing and a mined strip. The dispute concerns a mine explosion in the Demilitarized Zone on 21 September. Politics Breaking North Korea takes DMZ mine-blast dispute to UN and displays howitzer near border Mono Scoops 2d North Korea's ambassador to the United Nations sent a letter on 25 October accusing South Korea of fabricating a 21 September mine explosion in the Demilitarized Zone, as a North Korean self-propelled howitzer was spotted in clear view near the border. Read Full Story