I see this as a sign of uncontrolled cultural diversity. When people from predominately religious cultures come to Europe they expect to have the same emphasis and protections on religion that they had in their own countries. Problem is, when you put multiple religious cultures together and expect tolerance for each others beliefs you are setting a short fuse to even more violence.
When I lived in Germany I had close friends that were Turkish Orthodox Christians. One daughter opened a Turkish store. Some time later some Muslim Turks set fire to the store. This is common and is one major problem with uncontrolled immigration.

Islam is the absolute worst......that is to say, currently.

Thank you for sharing the link to the above news article.