The North’s announcement came about an hour after detection devices around the world had picked up a 5.1 seismic event along the country’s northeast coast.... The tremors occurred at or near the Punggye-ri nuclear test site, where three previous tests have been conducted over the past nine years....
The North Korean announcement said... that for the North to give up its nuclear weapons while Washington’s “hostile policy” continued would be “as foolish as for a hunter to lay down his rifle while a ferocious wolf is charging at him.”
January 6, 2016
Or so it says.