The United Nations Children’s Fund says many of the victims were youth fleeing war and violence in their home countries. The majority of the refugees were from Eritrea, Nigeria, Somalia and South Sudan.

Under a European Union plan enacted in April, all refugees arriving in Greece are deported back to Turkey, forcing people to attempt the more dangerous route between Libya and Italy.

On Monday, the photo of a German volunteer from the group Sea-Watch holding the body of a drowned child became the latest symbol of the migration crisis. Sea-Watch spokesperson Ruben Neugebauer spoke out.