Turkish authorities started 2017 the way much of 2016 had played out, with a manhunt.
Thirty-nine people were killed and many others wounded in an attack on a popular nightclub in Istanbul that has been claimed by ISIL.
The bells had not long finished chiming to herald in the New Year when they were replaced by the sound of gunfire.
Turkey was targeted in dozens of attacks last year, most of which were claimed by the Islamic State of Iraq and the Levant group (ISIL), also known as ISIS.
How can Ankara deal with the growing domestic security challenges posed by the armed group based abroad?
Presenter: Peter Dobbie
Ozgur Unluhisarcikli - Director of the Ankara Office for the German Marshall Fund of the United States
Galip Dalay - Research director at Al Sharq Forum
Dogu Eroglu - Reporter with Daily Birgun newspaper
Source: Al Jazeera News