ANKARA: Two Turkish soldiers were killed and two others wounded after a mortar attack by Kurdish militants in northern Iraq"s Haftanin region, the Turkish Defence Ministry said late on Wednesday, adding the attack was retaliated. In a statement, the ministry said Kurdistan Workers Party (PKK) militants had mounted a "harassment attack" on Turkish troops. It said "targets identified in the region" were struck and destroyed immediately in retaliation. The PKK is designated a terrorist organisation by Turkey, the United States and the European Union. Some 40,000 people have been killed in the fight between Turkish forces and the PKK.