I think Stuart Brennan has had the back of City and our fans for some time now. I think he needs to do some investigating and ask questions of why a referee from Manchester can referee a Manchester club. It's plainly not right regardless of his allegiances to MU.
It was highlighted by the Mirror and MEN in the past already.
https://www.mirror.co.uk/sport/football/news/liverpool-manchester-united-referee-taylor-9020081