A ceremony in northern Iraq on Friday saw a handful of Kurdistan Workers’ Party (PKK) militants lay down their weapons, a small but hugely symbolic gesture that marks the beginning of an end to a conflict with the Turkish state that’s lasted nearly five decades and cost tens of thousands of lives.

Southeast Turkey, where the army has battled Kurdish militants for decades, is not yet convinced that lasting peace is at hand.

Fighters with a Kurdish separatist militant group that has waged a decades-long insurgency in Turkey began laying down their weapons in a symbolic ceremony in northern Iraq on Friday, the first step toward a promised disarmament as part of a peace process.

Turkish President Tayyip Erdogan said on Saturday that a new page opened for Turkey following the start of a weapons handover by Kurdistan Workers Party (PKK) militants. Thirty PKK militants burned their weapons at the mouth of a cave in northern Iraq on Friday,

In the first footage of him to be released publicly in 25 years, Abdullah Ocalan said the P.K.K. insurgency against Turkey would be replaced by politics.

The imprisoned leader of the Kurdistan Workers' Party has renewed his call for fighters to disarm. In a video message on Wednesday, Abdullah Ocalan emphasized the importance of abandoning armed conflict and embracing peace through politics.