The FA confirmed they have launched an investigation following allegations that referee Darren Deadman directed an obscene gesture at Southend fans during Saturday’s game at Fleetwood Town.
It has been suggested that Deadman raised two fingers at supporters in the Percy Ronson stand while United’s Britt Assombalonga was receiving treatment midway through the first half.
Lancashire Police have stated they were made aware of the incident, but insist it is not a police matter, while Southend say they are leaving it in the hands of the football authorities.
Deadman had come under fire from sections of the Southend support after disallowing a goal. A second effort was also chalked off just before half-time.
FA independent director Heather Rabbatts insists the game must respond to damning criticism of the handling of the John Terry and Luis Suarez racial abuse cases.
Kick It Out chairman Lord Herman Ouseley has claimed there is “very little morality” at the top clubs, and “a moral vacuum” in the game.
Rabbatts, appointed as an independent board member earlier this year and a potential candidate to be the next FA chairman, said Ouseley had raised important issues.
Ouseley has said he will step down from the FA council and may even resign as chairman of Kick It Out, the anti-discrimination group.