But analysts watching the Punggye-ri nuclear test site via satellite spotted a more vigorous type of activity: volleyball, being played in at least three parts of the facility.
UN Secretary-General Antonio Guterres on Wednesday said "everything" must be done to confront the threat from North Korea and ensure that its missile and nuclear programs do not pose an worldwide threat.
The volleyball games don't mean the predictions of a test were wrong, Bermudez says.
Antonio Guterres said China, US, Japan, South Korea and Russian Federation must spare no effort to prevent a military build-up from Pyongyang.
North Korea's deputy United Nations ambassador Kim In Ryong told a news conference that "if the USA dares opt for a military action", North Korea "is ready to react to any mode of war desired by the US".
James Winnefeld, a retired U.S. Navy admiral who served as vice chairman of the Joint Chiefs of Staff under President Barack Obama, said President Donald Trump's words didn't mean action, and that his tough talk was created to keep the pressure on North Korea.
Dave Gettleman sees "half a dozen" every-down running backs in draft
The concept of devaluing a position. "It is kind of weird", Gettleman said. "So, I mean, they both fit with different styles". We don't know who the others are, but it's safe to assume Fournette and McCaffrey make up a third of that list.
Moscow had blocked an earlier version of the statement - which comes after North Korea carried out a failed test on Sunday - even though China, Pyongyang's ally, had expressed its support for it.
"Some may be supplies or equipment with tarps or netting draped over them", it said.
It simulates precision airstrikes on the North's command posts, including leader Kim Jong-un's underground bunker, and air fields, as well as its nuclear and missile bases.
Tensions between the U.S. and the Korean Peninsula have spiked recently with the North's recent ballistic missile tests, while U.S. President Donald Trump has taken a hard line against the North's nuclear ambitions, tweeting last Tuesday that "North Korea is looking for trouble".
On Saturday in Sydney, Australia, Pence said that a US naval strike group led by the aircraft carrier Carl Vinson was expected to be in the Sea of Japan, by the end of this month. The other called for a freeze on US-South Korean military exercises and a freeze on DPRK missile and nuclear tests. While North Korea has nuclear bombs in the technical sense, they are of little use without a method of delivering them to their target, because current the bombs are too large to travel intercontinentally.
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