N. Korea launches ballistic missile submarine: gov't sources

North Korea has launched a new submarine capable of firing ballistic missiles, military and government sources in Seoul said Sunday, raising further concerns over the North's evolving missile and nuclear threats.

The communist country "imported a Soviet-era Golf-class diesel submarine and modified it," a government source said on condition of anonymity. The Soviet vessel was built in 1958 and decommissioned in 1990.

"The new submarine is 67 meters long with a beam of 6.6 meters, and has a dived displacement in the 3,000-ton range," the source said.

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