PKK has engaged in violent struggle against Turkish state since 1980s . Group calls for establishment of an autonomous Kurdish state . ( CNN ) -- Estimated to have killed more than 30,000 in attacks on Turkish forces , Iraq . Turkey accuses group of attacking Turkish targets from bases in northern Iraq .
PKK has engaged in violent struggle against Turkish state since 1980s . Group calls for establishment of an autonomous Kurdish state . Estimated to have killed more than 30,000 in attacks on Turkish forces , Iraq . Turkey accuses group of attacking Turkish targets from bases in northern Iraq .