An Antalya man, identified by his initials H.C., was put in pretrial detention for allegedly insulting President Recep Tayyip Erdogan on social media.
Antalya police earlier detained 10 people over similar charges, of whom one was later jailed and the remaining 9 were released on judicial control, media said.
As of the end of 2016, at least 10,000 people were under investigation on suspicion of terrorist propaganda and insulting senior state officials on social media.
A total of 1,080 people were convicted of insulting Erdoğan in 2016, according to data from Turkey’s Justice Ministry. Data also showed that 4,936 cases were launched against people on charges of insult in 2016.