The supreme leader of North Korea has tried to hide the true purpose of the military site - but global analysts say sand traps with launch pads pose a slight giveaway

Kim Jong Un was pictured on Saturday inspecting North Korea's first nuclear-powered submarine, which experts say poses a major risk to the United States and South Korea.

North Korea's Kim Yo Jong, the powerful sister of leader Kim Jong Un, criticised the Trump administration for stepping up "provocations" and said it justified the nuclear state increasing its nuclear deterrent,

The announcement came amid fears that Pyongyang may be receiving crucial military technology from Russia in return for sending troops and weapons for its war against Ukraine.

North Korea has long focused on military power, but now its leader Kim Jong-Un is setting his sights on the sea. He has declared that turning North Korea into a strong maritime power is a top priority.

North Korean leader Kim Jong-un inspected a project to build a nuclear-powered submarine, warning that his country's maritime defense capability will be "fully" projected "in any necessary waters without limitation.

North Korea revealed Saturday it is building a nuclear-powered submarine — a weapon that experts say would be “absolutely threatening to [South Korea] and the US.” Images showed Kim Jong Un touring a navy shipyard to see the massive warship,