TEN arrests have been made as part of an investigation into violent disorder before a Manchester United match in May – and police are still looking to speak to another 36 men.
Officers made a number of a raids at addresses in Greater Manchester, Cheshire and Lancashire on Wednesday morning.
Ten men were arrested on suspicion of violent disorder, all of whom remain in custody.
On May 2, a protest was planned for the clash between Manchester United and Liverpool at Old Trafford over the home club's ownership.
More than 1000 protestors were at the stadium, as well as another 200 or so at the Lowry Hotel in Salford.
Police were present at the protest, but it soon spiralled out of control and a number of protestors broke into the stadium.
Some officers were injured after bottles and barriers were thrown and flares were used.
The match was postponed and an investigation was launched, with police reviewing hundreds of hours of CCTV footage to identify the protestors involved in the violent disorder.
To date, 18 people have been arrested.
Officers have released photos of 36 more people sought in connection with the protest.
Detective Inspector Andy Fallows, of GMP's Major Incident Team, said: "The violence back in May, particularly towards the police, was completely unacceptable and unnecessary.
"Our team have been working day in, day out since May to ensure all of those involved are identified and face up to the consequences of their actions. Today's arrests are a significant step forward in our commitment to do so.
"We're also releasing images of men we're keen to speak to and I am confident that there are people out there who will be able to provide us with credible information that will help us to identify them.
"If you have any information, or footage, that could assist our enquiries, then please get in touch as soon as possible."
Anyone with information is asked to submit it on GMP's Major Incident Public Portal.
People can also contact police on 0161 856 8732 and quote incident 955.
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