North Korea "successfully tested a missile fired by a submarine"

North Korea said it successfully conducted a test on a missile fired by a submarine, which is regarded as important to enhance its arsenal if confirmed the validity of this news.
It showed images broadcast by state media, leader of North Korea, Kim Jong-un, which monitors the submarine fired a missile from underwater.
Analysts say North Korea has several nuclear warheads, but this development will be interesting because the missiles launched by submarines difficult to monitor.
It could not confirm news "submarine test" from independent sources.
She described the state media that the missile launched from the submarine that stems accompanied by "flaming emissions", but gave no date or place of the test.
The leader of North Korea that his country has a "strategic weapon of world-class capable of beating any water belonging to the sovereignty and dignity violated by hostile forces and then destroy it completely eliminates."
If confirmed, this test, it would be a violation of sanctions imposed by the United Nations on North Korea on the non-use of ballistic missile technology.