Police investigating violent clashes involving up to 100 football fans have said they expect to make further arrests after studying CCTV footage.
Eleven people arrested after clashes between Coventry City and Leicester City fans on Saturday have been bailed pending further inquiries.
Police said they recovered weapons, including knives, after the disorder.
The violence in Earlsdon High Street, five miles from Coventry's Ricoh Arena, is thought to have been pre-arranged.
Men on mobiles
Witnesses have reported seeing men on mobile phones shortly before trouble broke out a few hours before the match.
They described "hordes" of men spreading out across the street and throwing bricks at each other.
The trouble is believed to have started outside Earlsdon's City Arms pub.
One eyewitness, who did not want to be named, said: "We've never had anything like this before in this area.
"I saw a load of men, probably in their 50s, on phones and it was obvious they were planning something, then it all kicked off.
"The police moved in swiftly but we've got absolutely no idea why it happened here."
Extra police
Earlsdon, a residential suburb, is within walking distance of the city's main railway station.
Assistant Chief Constable Stuart Hyde, of West Midlands Police, said it emphasised the need for extra police in the city on match days.
He added: "It is very unusual for disorder to break out in the Earlsdon area, and all indications at the moment suggest that the violence was planned.
"While the majority of football fans are law abiding, police will deal robustly with the minority intent on causing violence and disorder."
Coventry City FC said in a statement that the violence had "nothing to do with the club" and pointed out it took place "more than five miles from the Ricoh Arena".
It said it was fully supportive of the police investigation.
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