From Al Jazeera. Any opinions expressed are those of the authors, and do not necessarily reflect the views of Iraq Business News.
The conflict in Syria has become increasingly sectarian as it spills over into neighbouring countries.
Iraq has essentially closed its border to Syrian refugees, partly to avoid an influx of Sunni muslims.
But a growing community of Shia pilgrims from Syria have decided simply not to go home.
Al Jazeera's Jane Arraf reports from holy city of Najaf: