Turkey has seen a sharp spike in clashes between security forces and Kurdish rebels in recent weeks.
Attacks in Turkey
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Turkish police officers pray during a ceremony at the police headquarters in Ankara for special operations officer Sahin Polat Aydin, one of the four officers killed Monday in a landmine attack attributed to militants of the Kurdistan Workers' Party, or PKK, in Silopi, southeastern Turkey, Aug. 11, 2015.
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The leader of Turkey's main opposition Republican People's Party (CHP) Kemal Kilicdaroglu (left) pays his condolences to Hulya Aydin, the mother of Turkish police special operations officer Sahin Polat Aydin, one of the four officers killed Monday in a landmine attack, Ankara, Turkey, Aug. 11, 2015.
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Turkish police officers carry the coffin of Turkish police special operations officer Sahin Polat Aydin, one of the four officers killed Monday in a landmine attack attributed to militants of the Kurdistan Workers' Party, or PKK, in Silopi, southeastern Turkey, during a ceremony in Ankara, Aug. 11, 2015.
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Turkish police officers work near the site of an explosion at a police station, seen right, in Istanbul's Sultanbeyli neighborhood, early Monday, Aug. 10, 2015.