BAGHDAD , Iraq ( CNN ) -- Turkey launched another round of airstrikes against Kurdish rebel targets in northern Iraq on Sunday , an Iraqi official said . File photo from 2007 of Kurdistan Workers Party fighters at the Mahsun Korkmaz Academy in Northern Iraq . Turkish warplanes and artillery units bombed Kurdistan Workers Party ( PKK ) positions in villages near Amadi in Iraq 's Duhuk Province , a provincial security official told CNN . The official said the Turkish military operation started at 5:30 p.m. and lasted an hour and a half . There were no reports of casualties . Turkey said it was the sixth time in the past week it attacked the PKK in response to clashes that left at least 15 Turkish troops dead in the Turkey-Iraq border region last weekend . The central Iraqi government has labeled the PKK a terrorist organization , banning its activities and closing its offices in the country two years ago . The United States and the European Union also consider the PKK a terrorist group . It was the second round of Turkish strikes on northern Iraq this weekend . Late Friday and early Saturday , Turkish warplanes hit 31 targets in the Hakurk region of northern Iraq before returning . They `` successfully completed the operation [ and ] safely returned to their bases , '' the Turkish military said . A spokesman for the Iraqi Kurdish Regional Security Forces said Turkish warplanes and artillery units bombed the region from around 11 p.m. Friday until 1 a.m. Saturday . The spokesman , Jabbar Yawer , said there were no reports of casualties . Turkish artillery shells also hit border villages in the Zakho area , targeting PKK positions for about an hour on Saturday afternoon , Yawer said . Though the Iraqi government opposes the PKK , the organization continues to operate in the Qandil Mountains in northern Iraq bordering Turkey and Iran . The separatist faction has been fighting for self-rule in southeastern Turkey . The Iraqi Kurdish Regional Security Forces provide security for Iraq 's Kurdish regional government . CNN 's Mohammed Tawfeeq contributed to this report .
Turkish military bombs Kurdistan Workers Party positions in Iraq 's Duhuk Province . No casualties reported in second Turkish incursion into PKK territory this weekend . Strikes follow clashes last weekend that killed 15 Turkish troops in border region . Iraqi government , United States , European Union consider PKK a terrorist group .