But Tracy says North Korea is clearly very upset about the joint military exercises that the US and South Korean navies are now conducting in waters off the peninsula.
The Pentagon has deployed the USS Ronald Reagan nuclear-powered aircraft carrier and two destroyers, among other ships, for these maneuvers ending October 20.
"The U.S.is running amok by introducing under our nose the targets we have set as primary ones", North Korea's state news agency said in a statement.
A North Korean agency made a threat Thursday that Pyongyang could stage an "unimaginable" strike on the United States at an unexpected time amid tensions over the North's nuclear and missile programs, APA reported citing Yonhap agency.
Tensions have skyrocketed because of North Korea's recent nuclear and missile tests and exchanges of heated rhetoric between US President Donald Trump and North Korea's leadership.
North Korean leader Kim Jong UN, in response, called trump "an old man with dementia".
The country threatened both South Korea and the us with war over their joint military exercises in March, describing them as "massive", "unprecedented" and a "major cause of escalation in tension that might turn into actual war".
North Korea has continued to test ballistic missiles and nuclear explosives despite continued global pressure to denuclearize.
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Following the cancelled bid from Kraft-Heinz, management has committed to buying back €5bn shares and growing the dividend 12% in 2017.
It has also launched two mid-range missiles over Japan while threatening to fire similar weapons at Guam.
On Monday, Kim In Ryong, North Korea's deputy United Nations envoy warned the Korean peninsula situation had reached a touch-and-go point and a nuclear war could break out at any moment.
North Korea is famous for making bombastic threats - and not following through on them.
In September, right after the USA pushed punishing new sanctions through the United Nations Security Council, North Korea threatened to destroy the United States, South Korea, and Japan.
Presidential visits to the DMZ accomplish two objectives, Russel said.
While tourists are free to visit the secretive state as part of strictly controlled tour groups, they are told to never take photos of soldiers by their handlers.
In that same warning, the ambassador said North Korea would show peace toward any country that does not cooperate with the U.S.
Russian president Vladimir Putin, meanwhile, warned against driving North Korea into a corner.