Prime Minister Ahmet Davutoğlu arrived in Turkey's southeastern Şırnak province on Friday for an unannounced visit to learn about completed anti-terror operations in Silopi district.Davutoğlu arrived in Şırnak at 11.00 a.m. on his private plane. Şırnak Governor Ali İhsan Su and other local officials welcomed him at Şırnak's Şerafettin Elçi Airport.He then proceeded toward the Silopi district, where anti-terrorism operations against the PKK have recently been completed.Davutoğlu was scheduled to perform Friday prayers at Silopi's Çarşı Mosque and go to the local district governorship to be briefed on the completed operations.Mehmet Görmez, the head of Turkey's Religious Affairs Directorate, and some Cabinet ministers are accompanying Davutoğlu on his visit.Turkey's southeast has been the scene of significant military operations since December; a curfew was declared in Silopi last Tuesday. The PKK -- listed as a terrorist organization also by the U.S., and the EU -- resumed its 30-year armed campaign last July. Since then, more than 280 members of the security forces have been killed and thousands of PKK terrorists killed, according to officials.