North Korea vows to strengthen its military power, amid sanctions pressure.

North Korea’s state news agency says Pyongyang has power-tested a new cruise missile featuring a “super-large warhead”.

North Korea has successfully test-fired “a new medium-to-long-range” solid-fuel, hypersonic missile.

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.