Looks like French, the nation who welcomes culture enrichers. What do they expect?
Germany, but same difference.
We are close to this in the US. Recently a scuffle between Antifa and Trump supporters got the Trump supporters additional charges of hate crime, I kid you not. The other side posturing as protectors of racism are taken seriously and not even questioned in their hates.
Article is in French but Cologne is in Germany. More info here, several articles are reporting attacker is a middle aged Syrian man who proclaimed ISIS sympathies: