http://news.yahoo.com/irans-elite-guards-fighting-iraq-push-back-islamic-220910330.html;_ylt=AwrSyCVM0N5T_XUAa.jQtDMDIran's elite Guards fighting in Iraq to push back Islamic State
3 August
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The Islamic State considers Shi'ites to be heretics deserving of death, and made a point of filming its fighters gunning down Shi'ite prisoners as it advanced. Iranian and Iraqi Shi'ites see it as an existential threat.
Iran, with deep ties both to the Iraqi government and to a number of Iraqi Shiite militias, stepped in to stop it.
