Senior diplomats of South Korea, the US and Japan held high-level talks on Wednesday on regional and global security issues amid concerns over the possibility of a North Korean nuclear test
North Korea is believed to be "continuing preparations" for a nuclear test while the US is set to face any threat posed by the "recalcitrant" country, a state department spokesperson said
North Korean leader Kim Jong-un oversaw the country's tactical nuclear operation training that was held over the past few days, the state news agency reported
UN experts report that North Korea is testing nuclear triggering devices and that its preparations for another nuclear test were at a final stage in June, quoting information from unnamed countries
South Korea's top diplomat said that North Korea has completed preparations for a new nuclear test and that only a political decision by the country's top leadership can prevent it from going forward
On Wednesday, Kim presided over the fifth enlarged plenary meeting of the party's eighth Central Committee, the North's official Korean Central News Agency (KCNA) said
South Korean military said that it is keeping close tabs on North Korea's nuclear facilities amid reports Pyongyang may soon carry out a nuclear experiment
US President Joe Biden and his new South Korean counterpart Yoon Suk-yeol will search for ways on Saturday to break a diplomatic stalemate with North Korea
North Korea has a history of trying to rattle new govts in Seoul and Washington to gain leverage in future negotiations. But if Kim orders a nuclear test, Yoon would be left with very limited options
The Nuclear Weapons Ban Monitor has found no evidence, however, that any of the nuclear-armed states currently have the will to purposefully pursue nuclear disarmament
The US and South Korea continue to adjust their joint defense capabilities to meet ever increasing threats from North Korea's advancing nuclear and ballistic missile capabilities
Seismic activity induced by nuclear tests is not unusual, and has been documented at other major nuclear test sites such as the Nevada Test Site in the US and the former Soviet Union's Semipalatinsk