Ten foreign suspects, including an, IS senior member, were arrested in central Turkey for their links to the terrorist group, according to a police source, quoted by the Anadolu Agency.
The arrests were made in the central Anatolian province of Eskisehir and the terrorists were the nationals of Iraq.
Simultaneous raids were carried out at nine addresses in the city as part of a probe launched by the Chief Public Prosecutor's Office in Eskisehir.
Later in a separate incident at Istanbul, police arrested 51IS suspects, all foreign nationals, another source said.
Police conducted simultaneous raids in six districts of Istanbul and seized numerous documents and digital materials linked to the terrorist group, the source added.
More than 300 people lost their lives in IS-claimed attacks in Turkey, where the terror organization has targeted civilians in the suicide bomb, rocket, and gun attacks. (ANI)