Iraqi Christians attend mass at Saint-Joseph church in Arbil, the capital of the autonomous Kurdish region of northern Iraq, on August 31, 2014. Iraqi Christians are again under threat, with tens of thousands that fled after jihadists seized several northern towns just the latest wave to seek shelter elsewhere in the country and abroad. AFP PHOTO/ALI AL-SAADI (Photo credit should read ALI AL-SAADI/AFP/Getty Images)
