The operations took place in the provinces of Izmir, Mersin and Igdir, the Yeni Safak newspaper reported.
Earlier in the day, the prosecutors reportedly issued arrest warrants for 27 individuals over alleged propaganda for the PKK. The searches for the remaining suspects continue, the newspaper added.
READ MORE: Turkish Security Forces Kill 5 PKK Militants in Sirnak Province
Tensions between Ankara and the Kurds worsened in July 2015 when a truce between Turkey and the PKK collapsed over a series of terrorist attacks allegedly committed by the PKK members.
Eighteen arrested across #Turkey over alleged #PKK #terror #propaganda https://t.co/KPMHTpWrTf pic.twitter.com/DP79s2DzVD
— Yeni Şafak English (@yenisafakEN) December 30, 2017

