As part of a Kayseri-based operation, detention warrants have been issued for 25 teachers who were earlier dismissed from their positions, due to their use of a smart phone application called ByLock, on Tuesday.

Turkish prosecutors claim that ByLock is the top communication tool among members of the faith-based Gülen movement, which the government accuses of masterminding a coup attempt on July 15. Critics, however, have blasted the government for detaining thousands simply for using a mobile application. Meanwhile, the implicated teachers used to be former members of the Kayseri Volunteer Educators Foundation and were earlier dismissed from their jobs as part of administrative investigations into the movement.

Police carried out operation in Kayseri and Bursa provinces and were able to locate 23 of the suspects by Tuesday noon.

Meanwhile, another 10 teachers were given 6 years and a three-month jail sentence each as part of a separate investigation into the movement, on Tuesday. While the teachers were accused of membership to a terrorist organization, they were released on parole with travel ban.