Trump Threatens to "Destroy" North Korea

President Trump has urged the world community to confront those he called the wicked few. He told the UN that nations must stand up to North Korea, Iran and extreme Islamist groups such as IS.

Also in the programme: A former Burmese colonel gives his view of the situation in Myanmar; and the invention of robotic muscle.

(Photo: President Trump addresses the 72nd United Nations General Assembly. Credit: Lucas Jackson/Reuters)