Street fighting in Afghan three cities

We're live in Afghanistan where heavy fighting continues between government forces and the Taliban. There are fears that Lashkar Gah could be the first city to fall.

A 'killer robot treaty' may sound like something out of a film plot, but it's real, and it's serious. Diplomats from 50 countries are meeting to discuss limiting or even banning lethal autonomous weapons.

And we go to Tunisia to get a sense of the political situation, a week after the decision by the president to fire his prime minister and take on executive powers.