Baghdad, Iraq (Reuters): Six terrorists of Kurdistan Workers Party (PKK) were killed during a Turkish military operation in northern Iraq on Wednesday, the military said in a statement.

According to the statement, the air strikes targeted the Zap region, the Turkish name for a river which flows across the Turkish-Iraqi border and is known as Zab in Iraq .

Turkish military statement said that Turkish planes bombed Kurdish militants in Iraq 's Sinjar region and northeast Syria on Tuesday, killing around 70 militants belonged to outlawed Kurdistan Workers Party (PKK) inside the two neighboring states.

Designated a terrorist group by Turkey, the United States and the European Union, the PKK has waged a three-decade insurgency against the Turkish state for Kurdish autonomy. More than 40,000 people have been killed in the conflict, most of them Kurds.