TEHRAN (Press Shia Agency) – Police in Turkey have detained eight suspects on Monday over the deadly Daesh (ISIL) terror attack in Istanbul nightclub, which killed 39.

Turkey's Interior Ministry says that dozens of people have been detained in the past week over suspected ties to Daesh.

In a statement released Monday, the ministry said 147 people were detained after authorities determined "they were in contact with the Daesh terrorist organization".

Of the detained, 25 people have been formally put under arrest, Daily Sabah reported.

The perpetrator of the terrorist attack is still at large and the police is conducting extensive search to find him.