Summary: North Korea says threat of more sanctions is "laughable" after it holds its fifth and biggest nuclear test. Presenter: Adrian Finighan Guests: Victor Gao - director of the China National Association of International Studies Daniel Pinkston - lecturer of international relations at Troy University Jim Walsh - research associate at MIT's Security Studies Programme - Subscribe to our channel: http://aje.io/AJSubscribe - Follow us on Twitter: https://twitter.com/AJEnglish - Find us on Facebook: https://www.facebook.com/aljazeera - Check our website: http://www.aljazeera.com/
