Well, here is the website of the Local Government Association. - and here is the contact page. And here is John Tiffney's email address - john.tiffney@lga.gov.uk

A note of caution. Remember the principle that in any comnflict you should always try to avoid annoying your opponents, unless that is going to weaken them significantly. And we still haven't got any information about what exactly he said, and where and when. Of course presumably he would know thta sort of thing.