TO GO WITH AFP STORY BY CHRISTIAN SPILLMANN European Commission President Jean-Claude Juncker answers questions during an interview with AFP on August 4, 2015 in Brussels. EU governments have a duty to help the flood of migrants arriving in Europe and must not cave in to populist demands to turn them back, European Commission chief Jean-Claude Juncker said on August 5. AFP PHOTO / JOHN THYS / AFP PHOTO / JOHN THYS