Rescued migrants walk along the quayside after disembarking from the Italian Navy vessel Bettica in the Sicilian harbour of Augusta on April 22, 2015 . European governments came under increasing pressure to tackle the Mediterranean’s migrant crisis ahead of an emergency summit, as harrowing details emerged of the fate of hundreds who died in the latest tragedy. AFP PHOTO / ALBERTO PIZZOLIALBERTO PIZZOLI/AFP/Getty Images
