ankara turkish security force kill 99 kurdish militants include high-ranking one operations southeast turkey last two weeks arm force say saturday security force target outposts cave use militants shelter storage southeastern provinces sirnak hakkari near iraqi border military say statement ninety-nine terrorists neutralize one so-called lead rank say outlaw kurdistan workers party pkk consider terrorist organization unite state turkey european union wag three-decade insurgency state pkk seek autonomy largely kurdish southeast base mountains side turkey-iraq border frequently target turkish security force operations carry aug. 24 sept. lead seizure 420 kg 925 lbs ammonium nitrate use make explosives well bomb gun rifle military say turkey kill 99 kurdish militants late operations military