It is understood that legal papers will be served on Mourinho this week as part of separate but connected claims against him and against the club.

It is likely she will launch legal action claiming constructive dismissal.

Chelsea boss Mourinho was visibly infuriated to see physio Jon Fearn and doctor Eva Carneiro run on to the field to give Eden Hazard treatment.

"Sexist abuse has been allowed to thrive, unchecked. We are gravely concerned at a lack of action on this issue."