"They died of thirst, hunger and severe burns. This is unacceptable," UNHCR's representative to Italy, Chiara Cardoletti, wrote on Twitter.
A large number of refugees and migrants, many of them from Syria and other neighboring countries are seeking to move to Europe from Turkey.
By backing Ankara, Tehran expects it will have free rein in southern Syria to threaten Israel.
Turkish president Recep Tayyip Erdoğan said his country could launch an operation in Syria to create a ‘safe zone.’
Both the Turkish president and the main opposition have said they want Syrians to return to their war-torn country.
The Multifaith Alliance for Syrian Refugees is using the innovative technology of the Israeli company, Watergen, which supplies fresh and mineral-enriched drinking water from the air.
A weekly selection of opinions and analyses from the Arab media around the world.
Syrian refugees were imprisoned, tortured, and disappeared after returning to Syria, according to a report by Amnesty International.
A security agent told one detainee that his "life will end in this place," according to the report.