On Wednesday night, North Korea's military said President Donald Trump's warning of "fire and fury" if it threatens the U.S.is a "load of nonsense". But when asked how he would gauge the threat from North Korea, the Secretary said it is "a threat to world peace and global order" and that the human toll from such an attack would be "catastrophic". He cautioned if that country should act unwisely, military solutions are now fully in place.
He warned that the tragedy of war is well known and a military conflict could be 'catastrophic'. North Korea says it will "keep closely watching the speech and behavior of the U.S". His visit came the day after President Trump said North Korea would be met with "fire and fury" in the event of a nuclear attack.
North Korea Gen. Kim Rak Gyom said Trump is "extremely getting on the nerves" of his soldiers by making comments that showed his "senility" again.
It called former President Barack Obama a monkey and ex-South Korean President Park Geun-hye a prostitute.
Speaking in California later Thursday, Mattis praised the diplomatic leadership of Tillerson and U.S. Ambassador to the UN Nikki Haley, as well as a unanimous vote by the UN Security Council to impose fresh sanctions on North Korea.
North Korea has announced a detailed plan to launch a salvo of ballistic missiles toward the U.S. Pacific territory of Guam, a major military hub and home to U.S. bombers, a move that if carried out would be its most provocative missile launch to date.
The United Nations says Secretary-General Antonio Guterres is "troubled" by the escalating rhetoric from all sides in the North Korea nuclear dispute.
"The UK stands shoulder to shoulder with the U.S.in tackling this threat and many others".
Tension in the region has risen since the reclusive North, which staged two nuclear bomb tests past year and launched two intercontinental ballistic missile tests in July in defiance of world powers.
A separate statement by the Korean People's Army (KPA) also threatened to turn Seoul into "a sea of fire", comments condemned yesterday as "thoughtless" by South Korean military officials.
South Korea's national security adviser Chung Eui-yong and his USA counterpart H.R. McMaster spoke on the phone for 40 minutes early on Friday, a spokesman for the presidential Blue House in Seoul said.