North Korea claimed to have carried out a successful test-firing of a new hypersonic intermediate range ballistic missile (IRBM) on Monday, with North Korean leader Kim Jong Un, who observed the firing from a video feed,

South Korea says North Korea fired a ballistic missile that flew 685 miles before landing in waters between the Korean Peninsula and Japan

The launch event came as US Secretary of State Antony Blinken was visiting Seoul for talks with South Korean allies over the North Korean nuclear threat and other issues.