A CCTV image of an "important witness" has been released by police investigating an assault in Swanage.
On Sunday, June 12, at around 12.36am officers were called to reports of an assault outside the East Bar in High Street.
It was reported three men had been assaulted. One of the men sustained a serious head injury and was taken to hospital for treatment.
Another victim sustained a facial injury and the third man sustained bruising to his side.
Read more: Disturbance outside East Bar in Swanage on Sunday morning
An investigation was launched by detectives from Dorset County CID and, following enquiries, four local men – aged 28, 30, 43 and 48 – were arrested on suspicion of inflicting grievous bodily harm.
The 43-year-old was released without charge and the other men have been released on police bail while enquiries continue.
As part of ongoing enquiries, detectives have identified a potential witness who is believed to have important information.
Detective Constable Rob Hoskins, of County CID, said: “Our investigation into this incident remain ongoing and I have identified a man we are really keen to speak to.
“I would stress this person is being treated as a witness only and I would ask him to please get in touch with us.”
Anyone with information can contact Dorset Police at www.dorset.police.uk/contact, via email 101@dorset.pnn.police.uk or by calling 101, quoting occurrence number 55220093144.
Alternatively, independent charity Crimestoppers can be contacted anonymously online at Crimestoppers-uk.org or by calling Freephone 0800 555 111.
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