Seventy Kurdish Workers' Party (PKK) fighters have been killed in Turkish air strikes in northern Iraq and northeast Syria. A statement released by Turkey's air force said, it carried out the strikes against PKK targets located in the Sinjar Mountains region in northern Iraq and in Karachok Mountains in northeastern Syria yesterday. <br/><br/>The targets were hit to prevent PKK from sending terrorists, arms, ammunition and explosives to Turkey. The statement said, the operation was conducted within the scope of the international law. PKK are Kurdish fighters operating in Turkey, while the Rojava Defence Units are Kurdish fighters operating in northern Syria and the Peshmerga fighters are in charge of security in Iraqi Kurdistan.