Kurdish activists rally outside the White House in Washington,
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Iraq crisis: US rallies for Yazidi community

13 August 2014 Last updated at 13:30 BST

The Yazidi crisis in Iraq has triggered US air strikes against Islamist militants and mobilised an international relief operation.

Meanwhile, some Yazidi Americans have dropped everything to keep Washington's attention on the tragedy in their homeland.

Barbara Plett Usher reports.