General Kosaner was appointed as the head of the Turkish armed forces a year ago.
Source: Press TV
Turkey's army chief of staff General Isik Kosaner along with the heads of the army, navy and air force have resigned over a row with the government, media reports say.
The four generals resigned on Friday reportedly over a row with the government about promotions for generals and admirals held in an alleged anti-government plot.
General Kosaner is reported to have met Turkish Prime Minister Recep Tayyip Erdogan several times in recent days.
The resignations came just a day before the twice-yearly meeting of the Supreme Military Council, which deals with key appointments and decides on promotions for senior officers.
While many Turkish sources say the generals have resigned, CNN Turk quoted the prime minister's office as saying the generals were not resigning but going into retirement.
It is the first time that military chiefs resign en masse in Turkey. So far, there has been no official statement about the resignations.