A New Zealand nurse and two Syrian drivers working for the International Committee of the Red Cross (ICRC) were abducted in Syria by the "Islamic State" (IS) group in 2013, the aid organization and New Zealand's government said Monday.

Information about the kidnapping of nurse Louisa Akavi and drivers Alaa Rajab and Nabil Bakdounes had not been previously disclosed and media outlets avoided reporting on the three aid workers' fate out of concern it would endanger their safety.

Breaking the silence, the Red Cross appealed for information about the three employees who were abducted in Idlib, northwestern Syria, on October 13, 2013 when their humanitarian convoy was stopped by armed men. Four other people also abducted from the convoy were released the following day.

Read more: Deutsche Welle