SEOUL -- North Korea's round-the-clock firing of missiles, and the South's military response, point to a vicious cycle of retaliation on the Korean Peninsula.
South scrambles jets after detecting about 180 DPRK warplanes north of border

North Korea has fired dozens of missiles in recent days. © KCNA/Kyodo
SEOUL -- North Korea's round-the-clock firing of missiles, and the South's military response, point to a vicious cycle of retaliation on the Korean Peninsula.