Turkey's President Abdullah Gul (R), Prime Minister Tayyip Erdogan (L), Parliamentary Speaker Koksal Toptan (2nd L) and Chief of Staff General Yasar Buyukanit (2nd R) pray during the funeral of Turkish army officers Zafer Kilic, Tekin Isik and Gurcan Ulucan at Kocatepe Mosque in Ankara February 25, 2008. Kilic, Isik and Ulucan were three of the soldiers killed in clashes with Kurdish PKK rebels during military offensive in northern Iraq. Iraq fears that a prolonged Turkish incursion into northern Iraq could trigger clashes between Turkish troops and Iraqi Kurdish Peshmerga security forces, the country's national security adviser said on Monday. REUTERS/Umit Bektas (TURKEY)