These links indicate that there is an issue.
I also do not think such claims would be dismissed by contributors were it about any other ethnic/cultural group.

http://communities.washingtontimes.com/neighborhood/between-errands-april-thompson/2013/sep/26/persecution-against-christian-inc

http://www.telegraph.co.uk/news/religion/10264499/The-almost-unremarked-tragedy-of-Christians-persecuted-in-the-Middle-East.html