North Korea vowed Saturday to launch an all-out attack against South Korean loudspeakers and other propaganda facilities along their heavily fortified border, warning it can even turn Seoul into a “sea of flame.” In 2004, the rival Koreas ended decades of propaganda campaigns as relations warmed following a landmark summit in 2000. However, South Korea resumed radio broadcasts to the North... 

North Korea accused Washington of seeking to “provoke a second Korean War” as the regime prepared to hold maritime military exercises off the eastern coast. U.S. and regional authorities were watching closely for signs that North Korea might fire short- or mid-range missiles during the June 25 to July 10 timeframe cited in a no-sail ban for military drills sent to Japan’s Coast Guard. North...