25 detained over suspected links to YPG/PKK
Two of the wanted suspects include former members of the parliament, said the source, who asked not to be named due to restrictions on speaking to the media.
Among those detained, seven suspects were carrying out terrorist propaganda on social media websites, the source added.
In another operation, seven more suspects were detained for acting as communicators between the terrorists in and out of prison.
The PKK is listed as a terrorist organization by Turkey, the U.S., and the EU.