Zelin, "New audio message from Sarayyah al-Ghuraba': "Bay'ah of the Mujahidin in the City of Qusantinah (Constantine) To the Caliph of the Muslims Abu Bakr alBaghdadi and Joining The Islamic State's Wilayat al-Jaza'ir," Jihadology, July 25, 2015.
In the case of Jund al-Khilafa fi Ard al-Jaza'ir (Algeria), the allegiance with the Islamic State, combined with the execution of a French hostage broadcast to the world, brought a significant reaction from the Algerian government.