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Police were on Saturday pelted with bottles and missiles after trouble broke out between football fans following a highly charged local derby.
Officers arrested 23 people when Port Vale hosted Wolves in Sky Bet League One.
Staffordshire Police said it was "confronted by a significant group of home fans" involved in "violent disorder" who had gone out of their way to target police lines.
A man has been arrested on suspicion of attempted murder after a hit-and-run incident involving football fans on their way to a match.
Two Port Vale fans were taken to hospital after they were hit by a car as the waited in a taxi rank outside Rochdale train station.
Port Vale are out of administration after Paul Wildes' takeover of the League Two club was finalised.
Supported by his business partner Norman Smurthwaite, Wildes' Alchemy Investment Group's £1.25million bid has been approved by administrators Begbies Traynor.