US Urges 'Strongest Possible Measures' Against North Korea

Kim Jong-un is "begging for war," the American ambassador to the United Nations, Nikki Haley, has told the UN Security Council. The United States is pushing for further sanctions in response to North Korea's most powerful nuclear test. So what role should China play in the search for a diplomatic solution?

Also in the programme: Colombia's second largest rebel group agrees its first ever bilateral ceasefire with the government; and the camera that can see through the human body.

(Photo: United States Ambassador to the United Nations Nikki Haley (R) speaks with Britain's Ambassador to the United Nations, Matthew Rycroft. Credit: Kena Betancur/AFP/Getty Images)