North Korea displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a largely completed hull as leader Kim Jong Un condemned rival South Korea’s

The arms race between North and South Korea has expanded underwater as the North ​on Thursday condemned the South’s plan to build a nuclear-powered submarine as a security threat and unveiled​ the completed hull of

North Korea showed Kim Jong-un at a "nuclear submarine" site; analysts: it aims to justify its nuclear push and cast Seoul's sub debate as a threat.

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned rival South Korea's push to acquire the technology

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North Korean leader Kim Jong Un presides over the 13th plenary meeting of the Eighth Central Committee of the ruling Workers' Party of Korea, in Pyongyang, North Korea, in this picture released by North Korea's official Korean Central News Agency,

North Korean leader Kim Jong Un observed construction of a submarine with his daughter, a potential heir, and oversaw the test-firing of long-range surface-to-air missiles, state media reported on Thursday.

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs.