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Iraq crisis: Refugees 'despair and anger at IS massacre'

16 August 2014 Last updated at 22:42 BST

American warplanes are carrying out further airstrikes against Islamist extremists in northern Iraq - to help Iraqi forces retake a strategic dam near the city of Mosul.

The dam was captured by Islamic State fighters earlier this month.

They have been accused of a massacre of hundreds from the minority Yazidi sect.

Caroline Wyatt reports from Northern Iraq.

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