On his return from the Balkans, the Turkish president revealed to reporters the arrest of Bashar Hattab Ghazal al-Sumaidai, nicknamed Abu Zaid, one of the top leaders of the ISIS. Also known as Haji Zaid, after Abu Bakr al-Baghdadi and Abdul-Nasser Qardash, he was one of the most important leaders of the group, according to statements made by Erdogan.
