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N Korea says conducted 'successful' hydrogen bomb test

North Korea Said Today It Had Carried Out A “successful' Hydrogen Bomb Test, A Claim That—if True -- Massively Raises The Stakes Over The Hermit State’s Banned Nuclear Programme.

PTI | Updated on: 06 Jan 2016, 11:38:25 AM


North Korea said today it had carried out a “successful” hydrogen bomb test, a claim that—if true -- massively raises the stakes over the hermit state’s banned nuclear programme.

Neighbouring South Korea’s National Security Council “strongly condemned” the test, while Japanese Prime Minister described it as a “great threat” that represented a gross violation of UN Security Council resolutions.

“The republic’s first hydrogen bomb test has been successfully performed at 10:00am (0330 GMT),” North Korean state television announced.

“With the perfect success of our historic H-bomb, we have joined the rank of advanced nuclear states,” it said, adding that the test was of a miniaturised device.

A hydrogen, or thermonuclear device, uses fusion in a chain reaction that results in a far more powerful explosion than the fission blast generated by uranium or plutonium alone.

Last month, North Korean leader Kim Jong-Un suggested Pyongyang had already developed a hydrogen bomb.

The claim was questioned by international experts and there was continued scepticism over Wednesday’s test announcement.

“This weapon was probably the size of the US Hiroshima bomb but this was not a hydrogen bomb. It was fission technology,” Bruce Bennett, a senior defence analyst with the Rand Corporation told the BBC.

“The bang they should have gotten would have been 10 times greater than what they got,” Bennett said.

Given the estimated yield, the device was “unlikely to be a true 2-stage thermonuclear bomb,” tweeted James Acton, co-director of the nuclear policy program at the Carnegie Endowment for International Peace.

The test, which came just two days before Kim Jong-Un’s birthday, was initially detected by international seismology monitors as a 5.1-magnitude tremor next to the North’s main Punggye-ri nuclear test site in the northeast of the country.

Most experts had assumed Pyongyang was years from developing a thermonuclear bomb, while assessments were divided on how far it had gone in mastering the technology to miniaturise a warhead.

Whether an H-bomb or not, it was North Korea’s fourth nuclear test and marked a striking act of defiance that flew in the face of enemies and allies alike who have warned Pyongyang it would pay a steep price for moving forward with its nuclear weapons programme.

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First Published : 06 Jan 2016, 09:27:00 AM