Protesters have thronged the official residence of impeached President Yoon Suk Yeol, where officials trying to arrest him were blocked by security guards.

The JCS said the South Korean military has heightened surveillance for additional launches and maintaining a readiness posture to share info with the U.S. and Japan.

S. Korea’s constitutional crisis, N. Korea’s hypersonic missile claim, House fast tracks immigration bill, Gitmo down to 15, casualties in ISIS battle

The U.S. secretary of state aimed to show that his country stood by South Korea as it grapples with a political crisis, and as Donald J. Trump returns to power.

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

South Korea’s anti-graft agency will seek to extend an arrest warrant for President Yoon Suk Yeol, as pressure mounted on law enforcement to resolve the country’s escalating political crisis.

North Korean state media said Tuesday that the new weapon would help "contain" any enemy in the Pacific region.

North Korea fired a hypersonic missile on Monday, with Kim Jong-Un saying the launch signalled the country was "ready to use any means to defend our interests".

South Korean authorities have granted a request to extend a warrant to detain the country’s suspended President Yoon Suk Yeol for questioning over his surprise declaration of martial law last month.

The weapons test happened while US Secretary of State Antony Blinken was in Seoul for talks with South Korean officials. View on euronews