US President Donald Trump and North Korean leader Kim Jong-Un have traded increasingly threatening and personal insults as Pyongyang races towards its goal of developing a nuclear-tipped missile capable of reaching the US.
"Last weekend Trump claimed that our leadership wouldn't be around much longer, and hence, at last, he declared war on our country", Ri Yong-ho said in NY.
"It's never appropriate for a country to shoot down another country's aircraft over worldwide airspace".
Ri had told the General Assembly that Trump's remarks were making a North Korean "rocket's visit to the entire USA mainland inevitable all the more". "That's our focus, doing that through both the most maximum economic and diplomatic pressures as possible at this point".
Trump tweeted that Mr Ri and the North Korean leader Kim Jong-un "won't be around much longer", if their rhetoric continues.
North Korea's top diplomat said Monday that a weekend tweet by U.S. President Donald Trump was a "declaration of war" and North Korea has the right to retaliate by shooting down U.S. bombers, even in global airspace.
Trump in a speech at the United Nations General Assembly last week said the United States would "totally destroy" North Korea if provoked, which prompted Kim to pledge to take the "highest-level" action against the United States. "And frankly, the suggestion of that is absurd", she said.
In response, Kim issued a long statement in which he took the rare step of using the first person - and in which he vowed, "I will surely and definitely tame the mentally deranged US dotard with fire".
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There would be an official meeting in a fortnight with the Centre, he said. Tamang's acolyte, Anit Thapa, has been made the vice chairman of the board.
"The world, including all member states now attending the United Nations General Assembly, must clearly remember that this time, America declared war on us first".
On Monday, Ri responded to Trump's remarks, declaring: "Last weekend, Trump claimed that our leadership wouldn't be around much longer and he declared a war on our country". He said Ri's comments also allow China and Russian to restate their calls for a "dual suspension" of North Korean weapons tests and displays of military capability by the USA and South Korea.
"I will surely and definitely tame the mentally deranged US dotard with fire", he said, choosing the rarely used word "dotard", which means an old person who is weak-minded.
The U.S. has a "deep arsenal of military options to provide the president so that he can then decide how he wants to deal with North Korea", Manning told reporters.
"Last weekend Trump claimed that our leadership wouldn't be around much longer escalated and declared a war on our country", Mr Ri said, according to an official translation of his remarks to reporters outside the United Nations in NY.
Foreign Minister Kang Kyung-wha visited Washington to warn it was imperative to "prevent further escalation of tensions or any kind of accidental military clashes which can quickly go out of control".
In recent weeks the reclusive state detonated its sixth nuclear bomb and has test-fired intercontinental missiles, claiming it needs to defend itself against hostility from the United States and its allies. In 1969, North Korean MiG jet fighters shot down an unarmed U.S. EC-121 reconnaissance plane over the Sea of Japan, about 90 miles (145 kilometers) off its coast, killing 31 people.
It's also unclear whether North Korea would be able to even see the advanced US warplanes when they come. "It's called the military option".