UN urged to act fast as North Korea conducts its biggest nuclear test

London

NORTH Korea's biggest nuclear test to date was condemned around the world on Sunday, with the United Nations nuclear watchdog expressing grave concern and Russia saying it could lead to serious consequences.

The explosion of what North Korea said was an advanced hydrogen bomb caused residents across the border in China to flee their homes, fearing an earthquake. Japan and South Korea said it was around 10 times more powerful than the tremor picked up after the last test a year ago.

French President Emmanuel Macron urged the UN Security Council to react quickly and de…