UN aid agencies are suggesting wealthy industrialised nations should perhaps
rethink their policies on immigration and asylum in the wake of the latest
tragedy in the Mediterranean, writes the BBC's Imogen Foulkes in Geneva.
Wars, famine, and natural disasters are just a few of the reasons people are forced to leave their homes and flee their countries. Around the world, millions of refugees are waiting, sometimes for a lifetime, to return home. Here is a look at who they are.