North Korea's latest and biggest nuclear bomb test to date has caused an earthquake in China and Russia - and the political shockwave has reached around the world.

US President Donald Trump described North Korea as a "rogue nation" that continues to be "very hostile and dangerous to the United States".

South Korea has started live-fire drills to "strongly warn" its northern neighbour, and the UN Security Council held its second emergency meeting in a week.

But stiff sanctions have already been imposed - without stopping missiles being launched or test bombs being detonated.

So, what now? And does a military response risk starting another world war?

Presenter: Jane Dutton

Guests:

Isaac Stone Fish - Center on US-China Relations

Victor Gao - China National Association of International Studies

Robert Kelly - International relations specialist

Source: Al Jazeera News