Pakistan's Cricket World Cup meeting with Afghanistan was marred as supporters clashed at Headingley on Saturday.
Social media footage appeared to show scuffles breaking out between the two sets of fans outside the ground behind the Carnegie Pavilion.
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Omnisport understands a number of fans arrived at Headingley without tickets and were attempting to enter the venue by other means.
The ICC duly condemned the disturbances in a statement.
It read: "We are aware of some scuffles among a minority of fans and are currently working with the venue security team and the local police force, West Yorkshire Police, to ensure there are no further incidents.
"We do not condone this type of behaviour, and will take appropriate action against any anti-social behaviour that spoils the enjoyment for the majority of fans."
Victory for Pakistan would elevate them above tournament hosts England and into the semi-final places, ahead of their last group game against Bangladesh at Lord's on Friday.
