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This undated picture released by North Korea's official Korean Central News Agency (KCNA) on September 3, 2017 shows North Korean leader Kim Jong Un, center, looking at a metal casing with two bulges at an undisclosed location.
This undated picture released by North Korea's official Korean Central News Agency (KCNA) on September 3, 2017 shows North Korean leader Kim Jong Un, center, looking at a metal casing with two bulges at an undisclosed location.

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    N. Korea: Take hydrogen bomb threat 'literally'

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N. Korea: Take hydrogen bomb threat 'literally'

A senior North Korean official warns the world should take "literally" his country's threat to test its strongest hydrogen bomb over the Pacific. CNN's Will Ripley reports.

N. Korea: Take hydrogen bomb threat 'literally'

A senior North Korean official warns the world should take "literally" his country's threat to test its strongest hydrogen bomb over the Pacific. CNN's Will Ripley reports.