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Detectives want to speak to them in connection with the violent disorder that occurred in Middlesbrough.
The images of the two women and three men are from footage taken on Sunday 4 August.
As part of Cleveland Police’s investigation – codenamed Operation Acorn – and led by dedicated detectives in the Homicide and Major Enquiry Team (HMET) they are asking members of the public to come forward with information that will lead to their identity.
If you recognise anyone or yourself in the photographs, please get in touch either by calling 101 quoting reference number 148284 or visiting a website set up for the investigation.
Information can also be provided anonymously by calling Crimestoppers on 0800 555 111 or via their website.
When reporting information please quote the number on the image.