The Manchester derby ended with an unseemly tunnel fracas between both sets of players and staff, allegedly caused by City players mocking United's Zlatan Ibrahimovic.
Some of the away team quickly made their way to the dressing room while other players and staff came into the tunnel dancing and singing.
Members of City's coaching staff, euphoric after the victory, picked on the Swedish striker.
"Ibra, you talk a lot but you move a little," was allegedly heard.
United took that as provocation and from that moment a brawl began in which at least 20 people participated. Plastic bottles were hurled in the melee, and punches thrown.
Pep Guardiola's team were loudly celebrating the win that put them 11 points clear of United in the away dressing room, and at that moment, Jose Mourinho apparently entered and asked for more respect and tact from the visitors.
However, his words did not sit well with City goalkeeper Ederson, who understood his Portuguese... and things took another nasty turn.
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