All five terrorists who attacked and martyred Turkish Officer Yalçın Nane were killed, Deputy Chief of the General Staff Yaşar Güler said in a high level security meeting held in Turkey's capital Ankara on Friday.Prime Minister Ahmet Davutoğlu visited Prime Ministerial Coordination Center on Friday, in which he was informed about the latest operation held against the self-proclaimed Islamic State of Iraq and Sham (ISIS).Deputy Prime Minister Yalçın Akdoğan, Minister of Justice Kenan İpek, Undersecretary of the Ministry of Foreign Affairs Feridun Sinirlioğlu, Director General of Security Celalettin Lekesiz and other high ranking security officials were also present at the meeting.Güler informed the participants of the meeting that the 5-men ISIS unit which killed Nane through opening fire from the Syrian side of the border were killed in the operation. Operational footage from the planes that took part in the operations were also screened in the meeting.