North Korea says it has conducted an H-bomb test, in a move likely to lead to new UN sanctions

SEOUL, South Korea — North Korea said Wednesday it had conducted a powerful hydrogen bomb test, a defiant and surprising move that, if confirmed, would be a huge jump in Pyongyang's quest to improve its still-limited nuclear arsenal.

A television anchor said in a typically propaganda-heavy statement that the North had tested a "miniaturized" hydrogen bomb, elevating the country's "nuclear might to the next level" and providing it with a weapon to defend against the United States and its other enemies.

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