Turkish special forces have launched an operation in the Air Force Academy, located in a suburb of Istanbul, Turkish media reports.
Istanbul counter-terror units and police arrived at the site, the academic buildings and dormitories are being searched.
The Dean of the Istanbul Air force academy Colonel Ahmet Gumus was detained on suspicion of involvement in the coup.
Haberturk TV channel reported earlier today that 14 generals and one admiral were arrested in Turkey on Sunday night by the decision of the Istanbul Court. They are charged with an "attempted coup", an "attempt on the president’s life" and "intended killing of people."
The Turkish authorities have introduced a state of emergency in Istanbul. They also deployed additional 1800 of police special forces in the city.