A top advisor to the Iraqi government on counter-terrorism and extremist groups assassinated in Baghdad on Monday evening.

Iran Press/Middle East: Hisham al-Hashimi was an Iraqi historian and researcher in security and strategic affairs and extremist armed groups affairs, and a specialist in the file of the ISIS and its supporters.

Unidentified assailants shot and killed al-Hashimi hours ago in Baghdad's Zioneh district.

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