North Korean defector Park Sang-hak hurls anti-North Korea leaflets as police block his planned rally on a road in Paju, near the Demilitarized Zone, in South Korea on Monday, Oct. 22, 2012. South Korea banned activists from launching the propaganda leaflets to North Korea after the North threatened to attack. (AP Photo/Ahn Young-joon)

Photo by: Ahn Young-joon

North Korean defector Park Sang-hak hurls anti-North Korea leaflets as police block his planned rally on a road in Paju, near the Demilitarized Zone, in South Korea on Monday, Oct. 22, 2012. South Korea banned activists from launching the propaganda leaflets to North Korea after the North threatened to attack. (AP Photo/Ahn Young-joon)