From the New York Times, I'm Michael Barbaro. This is the Daily.

Today, North Korea detonates a sixth nuclear bomb.

Does the latest test mean the time for diplomacy is over?

And that the North is quote, begging for war?

And one family's return home one week after heart.

It's Tuesday, September 5.

David Sanger, it feels like or reporting on a North Korean missile test every other day or so.

What's different about what happened on Sunday?

Well, Michael, I think your question is, what made Sunday night different from all of the days?

Right.

And the answer is that this wasn't a missile test. This was a nuclear bomb testing, nuclear weapons test.

And it was only the sixth that they've done over the past 11 years.

But more importantly, it was the biggest of those six by far.

It was the nuclear test where they finally figured this nuclear thing out.

We mean their first test or two were kind of fizzles.

And then after that, they got to an explosion. It was roughly the size of what the United States dropped on Hiroshima in 1945.

What happened the other night was they increased that by six, eight, ten times.

We're still trying to understand the amount.

We begin with breaking news. North Korea has conducted its most powerful nuclear test today.

They have developed a weapon that was so powerful that it would truly ravage any American city that it was dropped on.

The Jumelon Newsreader on State TV announced that the bomb test had been a complete success.

The device was of unprecedentedly large power, she said.

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