The northern French port of Calais is facing an international refugee crisis. Darius Bazargan has been to Calais to meet the migrants, and the locals, caught up in a growing humanitarian crisis.

It's the first planned Palestinian city, a billion dollar project to build homes for 25,000 people. Though the main building work is largely finished the project, like the peace process, has ground to a halt over disagreements between the Palestinians and the Israelis.

Eritrea has been described as one of the most secretive states in the world. For the first time in around 10 years, BBC News has been been allowed to to film inside the country.

In a tale of corruption and international espionage Our World asks - who killed Alberto Nisman?

Our World speaks to former US prisoners released under a new presidential clemency initiative which is part of a changing approach to tackling drug offences in the United States.

Mark Urban returns to Bosnia for 'Our World' and discovers how secular Bosnian society has been infiltrated by a militant Islamism which operates to this day.

Over the past ten years, thousands of unaccompanied children have fled to the UK from war-torn Afghanistan, but when they turn 18 they have to return or face deportation. Chris Rogers follows some of the young men, who claim their deportation to Afghanistan would be inhumane and that the UK is now their home.