HDP Istanbul Provincial Chair Dogan Erbas and Vice Chair Aysel Guzel were arrested in an overnight operation early Thursday along with 30 other suspects, added the source, who spoke on condition of anonymity due to restrictions on speaking to the media.
Eleven of the suspects were taken to court, the source said, and nine of the 11 were remanded in custody for being members of an armed terrorist organization. The two other suspects were released on judicial control, while procedures continue for the remaining detainees.
In a separate incident, a Turkish court in the southeastern Mardin province remanded in custody four suspects, including a mayor, said a judicial source, who asked not to be named due to restrictions on speaking to the media.
The four suspects, including Suleyman Tekin, the mayor of Omerli, Mardin, were arrested on Dec. 27 for alleged links to a car bomb attack on the local gendarmerie building on June 23.