Leader Kim Jong Un stresses need to augment number of centrifuges to increase country’s nuclear weapons defence.
State media shows Kim looking ecstatic after test in which drones crashed into what appeared to be a tank.
What do Putin and Kim get from each other?
North Korea has been expanding its short-range weaponry designed to overwhelm missile defences in South Korea.
Natural disasters have a greater impact on the isolated and impoverished North Korea due to its weak infrastructure.
Two leaders signed mutual defence pact during Putin’s high-profile visit to North Korea, his first in 24 years.
The drive took place after the two leaders signed a deal that included a mutual defence pledge.
Russian and North Korean leaders aim to deepen ties as both countries face isolation.
Russian president tells Kim Jong Un he appreciates North Korean support over Ukraine as two countries deepen ties.
Russian President Vladimir Putin embraced North Korean leader Kim Jong Un as he arrived in Pyongyang.
Russian president to meet North Korean leader Kim Jong Un during a state visit on Tuesday and Wednesday.
Kim Jong Un threatens ‘the enemy’ will be dealt with a ‘death blow’ in case of an armed conflict.
State media said the missile – named Hwasong-16B – was a key piece of the country’s nuclear war deterrent.
The country is stepping up its development of more technologically-advanced weaponry capable of striking further afield.
