A civilian, Ibrahim Turan, who was injured in a terror attack carried by the outlawed PKK in Diyarbakir two weeks ago died on Tuesday after spending 14 days in hospital.
PKK terrorists targeted police officers with long-ranged rifles while they were sitting in a tea house.
Police officer Mehmet Uyar and a civilian, Osman Caran, were killed in the attack by militants in Turkey’s southeastern Diyarbakir Province on July 29.
Ibrahim Turan was wounded in the incident and had been receiving treatment since the attack.
With the death of Turan the number of civilians killed by the PKK since the Suruc suicide bombing has increased to 6, while at least 34 security officials have been killed by the since the bombing.
The bombing, which killed 33 people in the town of Suruc in Turkey's southeastern Sanliurfa Province on July 20, is thought to have been carried out by ISIS.
The PKK is listed as a terrorist organization by Turkey, the EU, NATO and the US. It has been carrying out terror attacks, mostly in southeastern Turkey, since the early 1980s.
Thirty years of armed conflict between the militant group and the Turkish government has claimed more than 40,000 lives.
In early 2013 the Turkish government launched a peace process to end years of armed conflict with the PKK and reform Turkey's constitution. However, the PKK ended its ceasefire with the government on July 11, 2015 giving the construction of dams in southeastern Turkey as its reasob.