NINEVEH, IRAQ - JANUARY 28: A checkpoint displaying a flag of the Imam Hussein, the Shia prophet, run by the Shabak Unit of the Hashid Al-Shaabi (predominantly Shia mobilisation forces) in Bartella, Nineveh, northern Iraq, on January 28, 2017. The Shabak are a persecuted minority in Iraq and were directly targeted for killings and abductions by Islamic State. The liberation of eastern Mosul was confirmed by The Iraqi Prime Minister Haider al-Abadi. (Photo by Martyn Aim/Corbis via Getty Images)
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