North Korea's Nuclear Trump Card

Trump versus Kim: it's the most chilling nuclear stand off for decades. No longer is the world asking can North Korea be stopped from developing nuclear weapons, but can it be stopped from using them.

As the two leaders trade threats, reporter Jane Corbin investigates how North Korea has dodged sanctions and thwarted international efforts to stop it becoming a nuclear power. And she asks how can the two leaders move back from the brink, and how likely it is this could all end in nuclear war?