A fully-developed ICBM in North Korea could threaten the U.S.as an ICBM has a minimum range of 5,500 km (3,400 miles), it was reported.
One official said that the initial assessment indicates that the engine technology could possibly be used in an eventual intercontinental ballistic missile. "The imagery, however, does not provide any definitive evidence of either a nuclear device or the timing of a test".
Hackers working for North Korea have also been implicated in attacks on Polish banks.
There has been increased activity at the Punggye-ri nuclear test site in North Korea, leading most experts on the region to believe that we'll see the country's sixth and seventh ever nuclear tests by next month. The North conducted two nuclear test explosions a year ago, the latest in September. But it stressed the evidence was not conclusive and the vehicles may have been there for other purposes.
The reclusive state has conducted five nuclear tests and a series of missile launches in defiance of United Nations resolutions. The warning appears to be a reaction to media reports that South Korean and U.S. militaries mobilized a special forces unit for large-scale decapitation operation training targeting the leadership in Pyongyang during their recent joint Key Resolve/Foal Eagle exercises.
Kim claimed earlier this month that a high-thrust engine test symbolized a "new birth" of his country's rocket industry. He also said the North Korean people and leaders "need not fear" the US.
USA issues trade challenge at fraught G20
Treasury Secretary Steven Mnuchin refused to agree to a communique that called for resisting "all forms of protectionism". The G20 summit with each country's government leader will be held in July in Hamburg, Germany.
The North also has warned it will retaliate for U.S.
The reported launch failure comes as the North is angrily reacting to ongoing annual U.S.
"The situation has reached an extreme phase which should not be overlooked", the General Staff said in the statement.
The United States has about 28,500 servicemembers stationed in South Korea, which remains technically at war with the North after the 1950-53 conflict ended in an armistice instead of a peace treaty.
The last words Barack Obama told Trump before he left office were precisely: "North Korea's nuclear development is a deadly serious programme, specifically meant to harm America, Japan and South Korea. and I strongly suggest you tackle it as your first immediate priority". -South Korean military drills that it views as an invasion rehearsal.