The English Football Association said Man City admitted a disciplinary charge over the scenes that followed a 3-2 win against Aston Villa.
City's late comeback after trailing by two goals ensured securing the league title with one point more than Liverpool.
"The club admitted that it failed to ensure its spectators . . . conducted themselves in an orderly fashion and refrained from using threatening and violent behavior while encroaching onto the pitch after the final whistle,'' the FA said.
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