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6th November 1952:  Characteristic mushroom shaped cloud begins formation after the first H-Bomb explosion (US) at Eniwetok Atoll in the Pacific.  (Photo by Three Lions/Getty Images)
6th November 1952:  Characteristic mushroom shaped cloud begins formation after the first H-Bomb explosion (US) at Eniwetok Atoll in the Pacific.  (Photo by Three Lions/Getty Images)

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    North Korea: What is an 'H-Bomb'?

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North Korea: What is an 'H-Bomb'?

As North Korea claims to have developed an 'H-Bomb' CNN's Kristie Lu Stout looks at what that means for the region.

North Korea: What is an 'H-Bomb'?

As North Korea claims to have developed an 'H-Bomb' CNN's Kristie Lu Stout looks at what that means for the region.