A number of arrests were made for crowd trouble at the Sheffield United v Millwall match yesterday.
Officers issued eight dispersal notices amid concern for public safety at the game which ended 1-1 at Bramall Lane.
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A South Yorkshire Police spokesperson added: "One man was detailed for encroaching the pitch and a further arrested for throwing a missile and a third for possession of drugs."
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Police warned fans before the game that there would be extra security checks.