North Korean leader Kim Jong Un is pictured at the congress of the Workers' Party in Pyongyang. (Mainichi /KCNA)

       TOKYO (Kyodo) -- North Korea fired what appears to be a ballistic missile, the Japanese government said Wednesday.

       North Korea test-fired a new type of submarine-launched ballistic missile in October, adding to concerns over the nuclear-armed nation's technological advances in hard-to-intercept weapons.

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