North Korea's leadership is committing systematic and appalling human rights abuses against its own citizens on a scale unparalleled in the modern world, crimes against humanity with strong resemblances to those committed by the Nazis, a United Nations inquiry has concluded.

The UN's commission on human rights in North Korea, which gathered evidence for almost a year, including often harrowing testimony at public hearings worldwide, said there was compelling evidence of torture, execution and arbitrary imprisonment, deliberate starvation and an almost complete lack of free thought and belief.

The chair of the three-strong panel set up by the UN commissioner on human rights has personally written to North Korea's leader, Kim Jong-un, to warn that he could face trial at the international criminal court (ICC) for his personal culpability as head of state and leader of the military....