A group of PKK terrorists attacked early Saturday a worksite of a private firm working on roads in Ovacık district of Turkey's eastern Tunceli province, kidnapping three workers from the site.

According to Doğan News Agency, a group of terrorists initially stopped cars in the area and did the terror group's propaganda.

Meanwhile, a second group attacked the construction site of the firm working on the roads between Aşağıtorunoba village and Çambulak village of Ovacık district, convened all the workers to do their propaganda. The terrorist group put the site and some construction equipment on fire.

The group initially kidnapped five workers, but later two of them were released.

Security forces have launched a wide range air supported operation in the region to find the kidnapped workers.

The PKK, listed as a terrorist organization by Turkey, the U.S. and EU, resumed its 30-year armed campaign against the Turkish state in July, since when more than 430 members of the security forces have also been killed.

Turkish security officers have killed more than 4500 PKK terrorists since the launch of anti-terror operations on July 22, 2015, military sources said on May 11.

The number of killed terrorists include those killed in Turkey and also during the operations launched against the group in its northern Iraq camps.

The sources added that 695 were captured wounded, in addition to 716 others captured and 641 who surrendered to the security forces.

Ankara has stated its determined stance against PKK terror organization, vowing to continue operations until all the terror threats are cleared off.