Details added (the first version was posted at 20:32)
Turkish General Staff Chief Gen. Isik Kosaner has resigned, the CNN Turk TV channel reported.
According to the report, Kosaner made such a decision following his meeting with Turkish Prime Minister Recep Tayyip Erdogan.
Along with Koshaner other three Land, Naval, Air Armed Forces Generals, Erdal Jeylanoghlu, Hasan Aksay, Ughur Yighit asked for retirements as well.