North Korea fired a ballistic missile on Wednesday toward the sea off the Korean Peninsula's east coast, South Korean and Japanese authorities said, days ahead of major joint military exercises by Seoul and Washington long denounced by Pyongyang.The missile was launched from the Wonsan area on North Korea's east coast at around 6 a.m. (2100 GMT Tuesday), South Korea's Joint Chiefs of Staff (JCS) said, six days after North Korea fired another ballistic missile from the same area.The launch come...