Five soldiers were killed and six others were wounded on Saturday during a terror attack launched by the Kurdistan Workers' Party (PKK) militants in Turkish province of Hakkari, Dogan News Agency reported.The wounded were brought to Hakkari State Hospital for treatment.Intense clashes were ongoing in Hakkari since a large scale operation was launched on Friday against the PKK terrorists in the Cukurca district of the Hakkari province, Xinhua news agency reported.Earlier on Saturday in Cukurca, an armed clash with the terrorists killed three soldiers and injured 20 others, three of them in critical condition.Latest casualties brought the total number of Turkish soldiers killed since Friday to 19.The PKK is listed as a terrorist organisation by the United States, the European Union and Turkey.