Similar concerns over here
Many Muslim voters turned against Labour in the local elections, and the continuing conflict only heightens the risk of alienating others, says Guardian columnist Martin Kettle
www.theguardian.com
Though, maybe it's significant that the first few articles I found highlighting the issue were in the (Tory supporting) Spectator.
It clearly did cost Labour some seats in the local elections.
Is there any similar parallel between Musims and Catholic voters in the US in the past?