From: Counting the CostThe deadly business of migrant smugglingAs thousands die on the perilous journey from Africa to Europe, we examine the economic cost of migrant trafficking.
Syrian refugee crisis: All your questions answeredMore than five million people have fled Syria since the conflict began, and half of them are children.
From: WitnessSyria: No stringsThree Syrian children seek refuge over the Turkish border where teachers try to help them cope with the trauma of war.