Arabic letters are covered on shop signs on May 1, 2018, in Turkey's Gaziantep province. Concern has grown that some ultranationalist Turks are aiming to force Syrians to leave. AFP
Arabic letters are covered on shop signs on May 1, 2018, in Turkey's Gaziantep province. Concern has grown that some ultranationalist Turks are aiming to force Syrians to leave. AFP

Mass leak of personal data sparks fear among Turkey's Syrian refugees