Calais camps: Migrants hit dead end in journey to UK

As war and economic crises engulf nations around the world, migrants flee in search of a better life. But when they arrive at the port of Calais, in France, they find camps as hopeless as the countries they came from.

Among them was 17-year-old Aida, whose journey took her across her own country's border to Sudan, from there to Turkey and then by boat to Greece. From Greece she made her way to Calais, either on foot or by hitching lifts.

Our special correspondent Fergal Keane has her story.