US
Washington and Seoul officials worry that Pyonyang will ultimately lay down impossible demands in talks
Chung said, 'no reason' to hold on to North's nuclear weapons 'if military threats towards the North are cleared'
Moon seeks to open dialogue between US and North in hopes of easing a nuclear standoff
President Donald Trump says "dealing with a madman" is the North Korean leader's problem, not his
UN request coincides with Washington imposing its largest package of unilateral sanctions against Pyonyang
North Korean delegation expresses willingness to talk Washington
N Korea accuses US of trying to undermine an improvement inter-Korean relations during Winter Olympics
US says sanctions are aimed at forcing Pyongyang to roll back its banned nuclear, weapons programmes
President Donald Trump announces new sanctions against North Korea
Earlier, Sarah Sanders said the president wouldn't be "soft or weak"