During the attack, several gunshots were also heard, said sources.
Formed in 1978, the terrorist group had been fighting the Turkish government for an independent state until the early 2000's. The group then shifted its goal to autonomy in predominately Kurdish inhabited regions of Turkey.
The PKK announced on July 11, 2015 that the cease-fire which was declared via a message from the PKK's imprisoned leader Abdullah Öcalan in 2013 has ended.
Turkish security forces have arrested hundreds of people with suspected links to Daesh, the PKK, and leftist groups, detaining thousands of terrorist suspects across the country.