Around 70 PKK terrorists and militants of its Syrian offshoot the People's Protection Units (YPG) have been killed in Iraq's Sinjar and northern Syria in Turkish anti-terror operations, military sources said Tuesday.

According to obtained information, Turkish warplanes conducted heavy air raids against PKK/YPG targets at 2:00 a.m., in which shelters, arsenals and critical communication centers belonging to the terrorists were destroyed.

An armed group of PKK terrorist suspected of planning an assault in southeastern Şırnak province was also killed in anti-terror operations conducted late Tuesday, the sources added.

Founded in 1978, the PKK has waged a decades long bloody campaign against Turkey.

The PKK, which is listed as a terrorist organization by Turkey, the U.S., and the EU, resumed its armed campaign in July 2015 after a brief reconciliation period.

Since then, the terrorist group has been responsible for the deaths of some 1,200 security personnel and civilians, including women and children, while more than 4,000 security personnel and over 2,000 civilians have been injured.