Xi Jinping visits North Korea

China's President Xi Jinping is in North Korea for a meeting with Kim Jong-un, in the first Chinese state visit to the North since 2005. Pyongyang's nuclear ambitions are expected to be on the agenda.

Also in the programme: the United States confirms that one of its drones was shot down by an Iranian missile; Vladimir Putin takes questions from the Russian public; and images from Cold War spy satellites have revealed the dramatic extent of ice loss in the Himalayan glaciers.

Photo: Kim Jong-un and Xi Jinping during a previous meeting. Credit: AFP.