The UN Security Council was called into emergency session today after North Korea conducted its longest-ever test flight of a ballistic missile.

Donald Trump has threatened North Korea with "fire and fury like the world has never seen" after suggestions the reclusive communist state has cleared a final hurdle to being able to strike the United States with a nuclear missile.

North Korea has criticised a practice bombing run on the Korean peninsula by two US B-1B bombers as a dangerous move, raising the risk of nuclear war.