Sectarian conflict in the Middle East, I know that should One of leave The first time the terrorist attacks in Iran domestic Iran's capital Tehran in the day occurred matter extremist organization for the terrorist attacks in the Islamic State (IS)] issued a crime statement. Sectarian conflict of the Middle East's dressed ranged to the center of Iran. A summary of what you need to know. Iran's first terrorist attack Iran is a major power of the Shiite faction, since IS Sunni began to take the Iraqi territory to 0 years, has supported the fight against IS in Syria and Iraq.