Some members of Iraq's Yazidi minority are turning on their Arab neighbors, staging deadly reprisals against Sunni villagers they believe collaborated in atrocities inflicted by Islamic State on their community.
Yazidis returning to their northern home area of Sinjar are uncovering one mass grave after another, evidence of Islamic State's rule from last August until its fighters were driven back there late last year.
Now some are striking back. More than a dozen Sunni Arab residents told Reuters that armed groups of Yazidis raided four of their villages in Sinjar two weeks ago, killing at least 21 people. A further 17 went missing.
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