Turkish security forces detained 29 individuals suspected of ties to the Daesh terrorist organization in Istanbul on Wednesday, marking the latest development in an intensifying counter-terrorism campaign across the country.

According to the Istanbul Chief Public Prosecutor’s Office, 28 of the suspects are accused of disseminating Daesh propaganda via social media platforms, while authorities believe one suspect was an active member of the group. The coordinated operation involved simultaneous raids at 29 separate addresses throughout Turkey’s largest city.

During the early morning raids, security personnel confiscated evidence including three handguns, ammunition, various digital devices, and documents allegedly related to the terrorist organization’s activities. All targeted suspects were successfully taken into custody.

The prosecutor’s office explicitly linked this operation to Monday’s deadly attack in Yalova province, where three police officers were killed and eight others wounded during a counter-terrorism raid against Daesh militants. The violent confrontation in the northwestern province has prompted an accelerated crackdown on suspected terrorist cells and sympathizers across Turkey.

“This investigation is directly connected to the incident in Yalova,” the prosecutor’s statement confirmed, adding that authorities remain “determined to continue the fight against all terrorist groups with unflagging resolve.”

The Istanbul operation represents part of a broader security response following the Yalova attack. Just one day earlier, Istanbul police detained 110 individuals with alleged Daesh connections, many reportedly planning attacks during upcoming New Year’s celebrations. This rapid succession of large-scale arrests demonstrates the perceived urgency of the threat.

Turkey has faced a complex terrorism challenge from Daesh for nearly a decade. The country experienced several major attacks attributed to the group between 2015 and 2017, including the bombing at Istanbul’s Atatürk Airport in June 2016 that killed 45 people and wounded over 230 others. Since then, Turkish security forces have conducted regular operations against suspected Daesh networks, particularly in border regions and major urban centers.

Security analysts note that Turkey’s position as a geographic bridge between Europe and conflict zones in Syria and Iraq has made it both a target and a transit point for extremist groups. The recent intensification of counter-terrorism operations suggests intelligence services may have detected increased activity or specific threat indicators.

The focus on social media propaganda in the latest arrests highlights the evolving nature of the threat. Turkish authorities have increasingly targeted online networks that facilitate recruitment, radicalization, and operational planning for terrorist organizations. Digital evidence gathered in such operations often provides intelligence leading to the disruption of more concrete attack plans.

Interior Ministry officials have warned that the period around New Year’s celebrations represents a heightened risk period, as evidenced by the 2017 attack on Istanbul’s Reina nightclub that killed 39 people and was later claimed by Daesh.

The Turkish government has faced criticism from some international observers regarding the breadth of its anti-terrorism laws, which some argue can sometimes sweep up individuals with tenuous connections to banned organizations. However, officials maintain that the serious nature of the threat requires robust preventative measures.

As the judicial process for these 29 suspects moves forward, they will likely face terrorism-related charges that carry significant prison terms under Turkish law. Meanwhile, security forces remain on high alert, particularly in Istanbul, where enhanced security measures are expected through the holiday period.

The continued presence of Daesh cells in Turkey, despite the group’s territorial defeats in neighboring countries, underscores the persistent challenge of combating terrorist networks that have adapted to operate in a more decentralized, clandestine manner.