Manchester City person "strongly condemned" the actions of those liable for harm to the Liverpool squad manager connected its travel backmost from the Etihad Stadium connected Saturday.
Greater Manchester Police person launched an probe aft reports of transgression damage.
"Incidents of this benignant are wholly unacceptable," City said.
The Premier League champions added successful a statement: "We powerfully condemn the actions of the individual(s) responsible.
"We volition afloat enactment Greater Manchester Police's probe into this incidental successful immoderate mode we can."
Police said they incidental took spot astatine astir 3.40pm connected Ashton New Road adjacent to the junction of Rowsley Street - the roadworthy down the Etihad.
They said determination were nary injuries and the manager continued with its journey.
"An probe has present been launched by Greater Manchester Police to place and find the offenders," GMP said successful a statement.
City 'disappointed' by chants
The nine besides said they were "disappointed" by "inappropriate chants" by their fans during the game.
The chants taunting Liverpool fans were heard during the archetypal fractional of the match.
City's connection added: "We regret immoderate offence these chants whitethorn person caused and volition proceed to enactment with protagonist groups and officials from some clubs to eradicate hateful chanting from this fixture."
The Premier League condemned the chanting and said it was "treating the contented of calamity chanting arsenic a precedence and arsenic a substance of urgency".
October's reverse fixture betwixt the 2 clubs astatine Anfield was besides overshadowed by akin 'tragedy chanting'.
An representation besides showed harm to the City windscreen aft their 1-0 defeat, with detectives investigating a ailment of alleged transgression damage
In 2018, City's autobus was attacked earlier a Champions League quarter-final, erstwhile bottles, cans and flares were thrown.
City manager Pep Guardiola said members of the Anfield assemblage threw coins astatine him during October's league meeting, pursuing which helium apologised for protagonist chants which referenced the Hillsborough and Heysel tragedies.
Last month, Liverpool and Manchester United managers Jurgen Klopp and Erik 10 Hag called for an extremity to "tragedy chanting" successful a associated connection earlier the 2 sides met.
In November, the Football Association had expressed concerns implicit the emergence of "abhorrent chants" related to stadium tragedies - including by fans of City and United connected visits to Anfield.
In February, Manchester United and Leeds United "strongly condemned" chants astir historical tragedies erstwhile they met astatine Elland Road.
Ninety-seven Liverpool fans mislaid their lives arsenic a effect of a crush astatine an FA Cup semi-final against Nottingham Forest, astatine Sheffield Wednesday's Hillsborough stadium, connected 15 April 1989.
It remains the UK's worst sporting disaster, with a assemblage astatine an inquest aboriginal ruling that the fans were unlawfully killed.
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