Video shows the battle near the disputed maritime border with South Korea . The North has stepped up its attacks against South Korean President Park . The two sides are due to meet Wednesday to discuss the technicalities of the nutritional aid . ` ` We will turn Korea into a pillar of fire , '' a military deputy commander says .
Video shows the battle near the disputed maritime border with South Korea . The North has stepped up its attacks against South Korean President Park . ` ` We will turn Korea into a pillar of fire , '' a military deputy commander says .