Manchester United manager Erik ten Hag reportedly demanded an inquest following their heavy defeat to local rivals Manchester City.
During the aftermath of the game player's passions are believed to have 'boiled over' during their meeting, with one player telling another to concentrate on their 'own f***ing game'.
Ten Hag called a meeting with the players on the Monday after the hammering at the Etihad Stadium, but things got heated during the analysis of the team's performance. Summer signing Lisandro Martinez and midfielder Scott McTominay are reported to be among the more vocal players in the Red Devils squad.