Not new, particularly among Muslims right? If the gay-murder and police-attacks are accurately reported, then in Belgium its rampant among Muslims. And no more excusable.
2) At the heart of it, the real issues are demographic and integration based, not religious. There's a reason you don't see those kind of claims in the US, Canada, or the UK: those countries are used to new immigrants and integrating them. Mainland Europe is not, and has struggled to figure out how to do so, and that lack of integration has consequences which typically manifest in crime.
This claim gets more threadbare every year. Its about time to admit that there's little or no common ground between Muslims and ... anybody I guess. They seem to have a as their goal, isolating themselves and rejecting, often violently, other viewpoints.