After promising fierce response to the U.S, North Korea test-fired an intercontinental ballistic missile which can launch nuclear strike on any targets in the U.S. Reportedly, the missile launched from Pyongyang landed in the sea roughly 210km west of Hokkaido. South Korea's military said that the missile reached an altitude of 6,100km on a lofted trajectory and travelled 1,000km, reaching a speed of Mach 22. Watch this video for more details.