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North Korea’s nuclear programme: How worried should we be?

A nuclear strike is highly unlikely—but conventional war could break out

By Cristina Varriale  

A television grab from North Korea's state television channel shows North Korean leader Kim Jong-un inspecting a 'nuclear' warhead near Pyongyang, North Korea on September 3, 2017. North Korea carried out its most powerful nuclear test to date yesterday, claiming to have developed an advanced hydrogen bomb that could sit atop an intercontinental ballistic missile. Photo by Stephen Shaver/UPI. Photo: STEPHEN SHAVER/UPI/PA Images

North Korea conducted its sixth nuclear test on Saturday, the largest ever by the dynastic regime by some order of magnitude. The country has claimed that it was a successful test of a thermonuclear weapon, or hydrogen bomb, a type of weapon more advanced than those used in previous tests. Although verifying the exact nature of the device is difficult outside of North Korea, the size of explosion certainly marks advancements…

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