At least one police officer was martyred in a PKK terrorist attack in southeast Turkey on Saturday, a security source said, according to Anadolu Agency.

A residential police compound in Derik, Mardin province, was attacked, also killing a passing civilian, the source said on condition of anonymity due to restrictions on speaking to the media.

The PKK - listed as a terrorist organization by Turkey, the U.S. and EU - resumed its 30-year armed campaign against Turkey in July last year. Since then, more than 350 Turkish security personnel have been martyred and thousands of terrorists killed.