APA reports quoting Milliyet that 4 more people were summoned in Malazgirt according to the testimonies of the witnesses.
A series of operations are being conducted to find the murderer of the major killed by the PKK.
Maj. Arslan Kulaksız and his wife Sibel Kulaksız were reportedly attacked in their private car on July 27. While the commander suffered serious injuries, his wife sustained only minor injuries in the attack. Kulaksız later died in hospital.
The investigation is underway on the commander's death.