Ankara's Prosecutor General's Office has issued arrest warrants for 40 people suspected of having links with preacher Fethullah Gulen, whom Ankara accuses of organizing a coup attempt in July 2016, Haberturk TV channel reported.

The arrests are being carried out as part of an investigation into the activities of Gulen's supporters in the command structures of the republic's naval forces.

The list of suspects includes 19 officers, as well as former cadets of the military academy. The investigation believes that they were engaged in coordinating activities within the army structures, contacted the coordinators of this organization using landline telephones in public places in Ankara.

Raids take place both in the capital and in seven other provinces of Turkey.

The Prosecutor General's Office of Istanbul, in turn, authorized the capture of 13 people as part of another episode of the investigation into the activities of Fethullah Gulen's supporters. They are accused of anonymous use of the ByLock mobile application to encrypt correspondence, which was used by the putschists for conspiracy purposes.