Prime Minister Shinzo Abe stormed to a landslide "super-majority" in snap Japanese elections, near complete projections showed Monday, with the hardline nationalist immediately pledging to "deal firmly" with North Korea.
US President Donald Trump said negotiating with North Korea over its nuclear program would be a waste of time Sunday after it emerged that Washington had channels of contact with Pyongyang.
The US has dismissed a statement by North Korea accusing Washington of declaring war on the country, calling the idea "absurd".
Kim Jong-un has said remarks by "deranged" US President Donald Trump have convinced him he is right to develop weapons for North Korea.
South Korean President Moon Jae-In said Thursday he did not seek North Korea's collapse, using an address to the United Nations to urge a scaling down of sky-high tensions.
North Korea fired a missile that flew over Japan’s northern Hokkaido far out into the Pacific Ocean on Friday, South Korean and Japanese officials said, deepening tensions after Pyongyang’s recent test of its most powerful nuclear bomb.
North Korea Tuesday condemned "vicious" new UN sanctions imposed over its sixth and largest nuclear test, warning it would make the US "suffer the greatest pain" it has ever experienced.
The UN Security Council on Monday unanimously imposed new sanctions on North Korea, slapping a ban on textile exports and restricting shipments of oil products to punish Pyongyang for its sixth and largest nuclear test.
North Korea held a mass celebration for the scientists involved in carrying out its largest nuclear blast to date, with fireworks and a mass rally in Pyongyang.
Russian President Vladimir Putin warned Tuesday of a global "catastrophe" unless a diplomatic solution is reached over North Korea, rejecting US calls for further sanctions on Pyongyang as useless.