On the one side there is this. On the other side are graying, ineffectual Christian bishops calling for "dialogue" and "peace."
"Pastor sees display against children and young people as a 'signal,'" by Aaron Clamann and Dieter Weber, RP Online (translated), December 26, 2014 (thanks to Renee):
Moenchengladbach. Apparently Muslim children and a teenager have disturbed the Nativity celebrations for children in the Rheydter Marienkirche and insulted parishioners. The pastor has already spoken with two of the five disturbers of the peace. On Saturday, he also wants to get in touch with the parents.