North Korea's latest launch was a huge, new intercontinental ballistic missile (ICBM) that is capable of hitting targets in most areas of the globe including the United States.
Leader Kim Jong Un said it was designed to demonstrate the might of its nuclear force and deter any US military moves.
It was the first full ICBM test by nuclear-armed North Korea since 2017, and flight data indicated the missile flew higher and longer than any of North Korea's previous tests, before crashing into the sea west of Japan.