North Korea conducts a test of an intermediate-range ballistic missile (IRBM) from its eastern coast.

North Korea has fired “several” "strategic" cruise missiles, possibly nuclear-type, into the sea off the country's west coast, the fourth time in just over a week Pyongyang has launched such missiles.

North Korea says it has tested a new type of nuclear-capable cruise missile.

North Korea has carried out a trial of its underwater nuclear weaponry system in a demonstration against the joint military exercises conducted this week by South Korea, the US, and Japan, which “seriously” threatened the “security” of Pyongyang.

North Korea’s leader, Kim Jong-un, calls for constitutional change to identify the south as “number one hostile state.”

North Korea has launched over 200 rounds of artillery shells from its west coast towards the South's Yeonpyeong Island.

The US and its allies have staged joint maritime missile drills off the Korean peninsula, drawing condemnation from North Korea.