Turkish CNN Turk television broadcast that within the Ergenekon investigation four other people have been arrested. The detainees are Retired General Hursit Tolon, the President of the Ankara Chamber of Commerce (ATO) Sinan Aygun, the President of the Ataturk Thought Association (ADD) and retired General Sener Eruygur and the Ankara representative for Cumhuriyet newspaper Mustafa Balbay.

Investigation is underway.

Ergenekon is supposed to be involved in the murder of Turkish Armenian journalist, Agos newspaper editor Hrant Dink in January 2007.