PYONGYANG, NORTH KOREA — North Korea fired a missile over Japan on Tuesday, according to the South Korean military. br br The Hwasong 7 scud missile variant flew 1,677 miles and reached a height of 341 miles br before breaking into three pieces and landing in the sea around 730 miles east of Hokkaido. br br This is the first time North Korea has launched a rocket over Japan since 2009.