Four people were arrested following reports of a streetfight.
Police were called to Day Street, Warsop, shortly before 4.30pm yesterday (Sunday) after the brawl broke out.
Three men, aged 23, 22 and 20 were arrested on suspicion of affray. An 18-year-old woman was also arrested on suspicion of the same offence.
All four remain in police custody.
One man received a minor head injury and was treated in hospital.
Officers are now appealing for further information about what happened.
Detective Sergeant Matthew Dumbrell, of Nottinghamshire Police, said: “This was a large-scale disturbance that would have attracted a lot of attention in the street.
“Our investigation is continuing today and we would like to speak to anybody who saw what happened.
“We would particularly like to speak to anyone who has CCTV footage of what happened.”
“This kind of violence is utterly unacceptable and we are determined to bring all those involved to justice.”
Anyone with information is asked to call 101 quoting incident 456 of 9 October.