Japanese Foreign Minister Takeshi Iwaya will travel to South Korea on Monday to shore up security cooperation between the East Asian neighbours and their mutual U.S. ally that is meant to counter China's growing regional power.

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,

North Korea's state-run Korean Central News Agency claimed a successful test of a new type of intermediate-range hypersonic ballistic missile.

TOKYO — U.S. Ambassador to Japan Rahm Emanuel in his outgoing remarks Friday defended U.S. forces abroad as “the thin blue line” and hinted at his further involvement in public life when he returns to the United States.

A U.S. spy plane was spotted flying near the borders of China and North Korea this week on a suspected intelligence-collection mission, as shown on a new Newsweek map. Newsweek has contacted the U.S.

By developing hypersonic weapons and testing them before the presidential changeover in the United States, North Korea has a significant bargaining chip to use for whenever the new Trump administration comes looking to continue their previous diplomacy with Kim Jong-un.

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

North Korea launched a medium-range ballistic missile into the Sea of Japan, South Korea’s military confirmed. The missile, fired from the Pyongyang area, flew 1,100 km before splashing down between the Korean peninsula and Japan.

Kim Jong Un warned that North Korea ’s rivals could not ignore its new hypersonic ballistic missile, which was tested while US secretary of state Antony Blinken was visiting South Korea on Monday.

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.

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.