Turkish authorities detained 115 individuals suspected of affiliation with the Islamic State (IS) terrorist group on Thursday, following raids across Istanbul. The operation, targeting potential attacks during Christmas and New Year celebrations, underscores ongoing concerns about the group’s activity in Turkey. This latest crackdown comes amid heightened security alerts and efforts to dismantle IS networks within the country.
Istanbul’s chief prosecutor’s office initiated the operation, issuing arrest warrants for 137 suspects believed to be planning attacks during the festive period. Police conducted searches at 124 addresses throughout the city, successfully detaining 115 individuals as of Thursday evening, with efforts continuing to apprehend the remaining 22. The detentions highlight Turkey’s vulnerability to terrorist threats, particularly during major holidays.
Dismantling Islamic State Networks in Turkey
The raids yielded the seizure of several firearms, including pistols and ammunition, alongside organizational documents believed to be linked to IS activities. According to the prosecutor’s office, some of those detained are suspected of having participated in conflicts in Syria and Iraq, while others face charges related to terrorism offenses both domestically and internationally. This suggests a multifaceted approach to combating the group, addressing both active combatants and those providing logistical or financial support.
Earlier this week, a separate investigation in Ankara led to detention warrants for 10 individuals suspected of involvement in IS’s financial network. This investigation, conducted by the Terrorism Crimes Investigation Bureau and utilizing reports from the Financial Crimes Investigation Board, revealed how funds were allegedly transferred to IS members and their families in conflict zones. Investigators found that suspects disguised financial transactions as “call for unity, atonement, aid for captive sisters” to avoid detection.
Previous Attacks and Heightened Alert
Turkey has experienced several devastating attacks carried out by IS in the past. The deadliest occurred on October 10, 2015, when suicide bombers targeted a peace rally near Ankara railway station, resulting in over 102 fatalities and more than 400 injuries. Trials related to this attack are still ongoing, demonstrating the complexity of prosecuting terrorism cases.
The New Year’s Eve celebrations in 2017 were also marred by violence when a gunman attacked the Reina nightclub in Istanbul, killing 39 people. Additionally, IS claimed responsibility for attacks at Istanbul’s Atatürk Airport, in Suruç, and in Diyarbakır between 2015 and 2017, resulting in hundreds of civilian deaths. These past incidents underscore the group’s willingness to target public gatherings and tourist destinations.
The recent wave of detentions followed a warning issued by Ankara’s provincial gendarmerie command on December 19th. The warning indicated a potential for IS attacks in both Ankara and Istanbul leading up to New Year’s Eve. The potential attack methods outlined included armed assaults, suicide bombings, car bombs, drone strikes, and vehicle-ramming incidents, suggesting a broad range of possible tactics.
The Turkish government has consistently taken a strong stance against IS, designating the group as a terrorist organization and participating in international efforts to counter its influence. However, the group’s continued ability to recruit members and plan attacks within Turkey demonstrates the challenges of completely eradicating the threat of terrorism. The country’s geographic proximity to conflict zones in Syria and Iraq also contributes to the ongoing risk.
Authorities are expected to continue monitoring potential threats and conducting operations to disrupt IS activities in the coming weeks. The focus will likely remain on identifying and dismantling financial networks and preventing planned attacks, particularly during the holiday season. Travelers to Turkey and residents alike should remain vigilant and report any suspicious activity to the authorities. The situation highlights the importance of continued international cooperation in combating global security threats.
As investigations continue and the remaining suspects are apprehended, further details regarding the alleged plot and the extent of IS’s network in Turkey are likely to emerge. Stay informed about developments in this ongoing situation and heed any security advisories issued by local authorities.

