The examples I have heard about seem to involve local councils, probably predominantly left-wing. And, no, I can't remember specific cases.
If you need your blood pressure to be elevated then try Radstock (Somerset) / Eleanor Jackson (labour) and then find the reaction of the Muslim Council - in fairness the story is a few years old now.
Classic case of some idiot being offended on behalf of other people who are not offended in the slightest.