North Korea test-fired an intermediate range ballistic missile while U.S. Secretary of State Antony Blinken was in South Korea.

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.

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.

Secretary of State Antony Blinken warned Monday that Russia is close to sharing advanced satellite technology with North Korea, in a sign of the countries' increasingly close ties.

Secretary of State Antony Blinken visited South Korea amid political turmoil tere following the impeachment of President Yoon. Coinciding with Blinken's visit, North Korea has conducted another missile test.

U.S. Secretary of State Antony Blinken said a North Korean missile test carried out during his visit to Seoul on Monday was a reminder of the need to deepen Washington's cooperation with South Korea and Japan to deter an emboldened Pyongyang.

US Secretary of State Antony Blinken on Monday opened a visit to crisis-riven South Korea, where he will seek delicately to encourage continuity with the policies, but not tactics, of the impeached president.

North Korea test fires a ballistic missile as Blinken visits Seoul, where he warned that Putin could provide Kim Jong Un with advanced space technology.

The US believes Russia intends to share advanced space and satellite technology with Pyongyang, Secretary of State Antony Blinken said.

Russia is planning to share advanced satellite technology with North Korea, according to a warning from Secretary of State Antony Blinken.

National Assembly Speaker Woo Won-shik met with U.S. Secretary of State Antony Blinken in Seoul on Monday and discussed ways to strengthen cooperation between South Korea and the United States, officials said.