International condemnation hasn't put North Korea off celebrating its successful rocket launch on Wednesday. Pyongyang believes the launch is evidence that North Korea is a world power.
North Korea ramped up its nuclear threats, boasting of its ability to deliver miniaturized warheads on high-precision long range rockets - an unbelievable claim, as nuclear scientist Siegfried Hecker tells DW.
North Korea has unexpectedly withdrawn an invitation for UN chief Ban Ki-moon to visit a major cooperation project between the two Koreas. The abrupt cancellation came a day after Ban said he would travel to Kaesong.
US Secretary of State John Kerry has assured South Korea of "ironclad" support from the US on a trip to Seoul. He demanded the North restart talks on its nuclear program, calling Pyongyang's recent conduct "horrific."
As the communist state cancels a visit by UN Secretary-General Ban Ki-moon, its National Defense Commission has announced new nuclear warhead capabilities. But experts warn the claim might merely be propaganda.