Turkish military launches a ground operation in northern Iraq against Kurdish rebels . - The U.S. State Department issues an alert about the possibility of terrorist attacks on American targets in Iraq. The PKK has previously launched attacks on targets in Turkey . The incursion against the Kurdistan Workers Party ( PKK ) in Iraq began around 7 p.m. Thursday . Spokesman says U.S. military `` aware '' of a Turkish operation of limited duration .
Turkish military launches a ground operation in northern Iraq against Kurdish rebels . - The U.S. State Department issues an alert about the possibility of terrorist attacks on American targets in Iraq. The PKK has previously launched attacks on targets in Turkey . Spokesman says U.S. military `` aware '' of a Turkish operation of limited duration .