North Yorkshire Police are appealing to the people in this image to get in touch.
The police are believe they may be witnesses to an assault in McDonalds on Blake Street in York.
It happened on 22 February when a man was followed into the restaurant by another man who then punched him several times.
We must stress that the people in the image are regarded as witnesses to the incident, not suspects.
If you are one of the people in the image, or if you can help identify them, or have any other information please email eleanor.stevens@northyorkshire.police.uk or call 101.
If you prefer to remain anonymous, you can contact Crimestoppers on 0800 555 111 or via their website.
Please quote reference 12250032590 when passing on information.
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