North Korea launched what appeared to be a ballistic missile from a submarine off its northeast coast on Saturday, according to South Korea’s Defense Ministry. Sky News reports: South Korea’s Joint Chiefs of Staff said the missile flew for about 19 miles (30km). A typical submarine-launched ballistic missile has a range of nearly 200 miles, it added. North Korea has recently launched a number of missiles and artillery shells into the sea in an apparent response to joint US-South Korea military drills and sanctions over a nuclear test and a rocket launch carried out by Pyongyang. It is widely believed to have been developing a submarine-based missile system for some time and attempted to fire such a missile last year. However, tests were largely thought to have been a failure and footage appears to have been edited to suggest success, according to experts. Analysts point out that the latest belligerence comes before next month’s ruling party congress, which could further cement Kim Jong-Un’s hold on power. There are also concerns that Pyongyang is planning a fifth nuclear test, with South Korea’s military on high alert for one to be carried out “at any time”. Satellite images suggest tunnel excavation may have [...]