A number of men have been involved in an 'altercation' on Devon Road, Newark, this evening.
Nottinghamshire Police were called to a report of a disturbance in the road at around 7.45pm.
Officers believe a number of men were involved in an altercation.
Firearms officers attended the incident as a precaution. Police said it was believed to be an isolated incident.
An eyewitness said they saw seven police cars and four ambulances, and that a large crowd had gathered in the street.
Anyone who may have seen or heard anything in relation to the incident should call 101, quoting incident number 877 of 18 May 2017.