The attack took place in Qara Tappah, in the eastern Diyala province about 120 kilometers (75 miles) northeast of Baghdad. The official says a suicide bomber set off his explosive belt on Sunday at the gate of a compound that houses offices for Kurdish security and a main a Kurdish party.
Minutes later, two suicide bombers drove explosive-laden cars into the compound, causing heavy damage. At least 60 people were injured in the attack.
Hospital officials confirmed the casualties.
All officials spoke on condition of anonymity because they were not authorized to speak to the media.
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