A 24-year-old man was threatened with "what appeared to be a handgun" and assaulted while in his car in Mansfield Woodhouse.
Detectives are now appealing for information after the 24-year-old man who was in his stationary car in Gladstone Street, Mansfield Woodhouse, when a vehicle pulled up and two men got out and threatened and punched him.
The victim then managed to drive off and call an ambulance and was taken to hospital. He suffered a broken finger and thumb and cuts and swelling to the face in the incident at around 1.25am today (Wednesday, September 19).
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Detective Inspector Kim Binns, of Nottinghamshire Police, said: "This was a nasty incident and the victim has been left shaken by it.
"This is an isolated incident. However, officers will also be carrying out increased patrols in the area so please feel free to speak to them if you have any concerns. Violence in any form is unacceptable and we are committed to working with you to keep it off our streets.
"While it happened in the early hours of the morning it is a residential area and there would have been a lot of noise. Our officers are conducting house-to-house enquiries today but if you saw or heard anything and you have not already spoken to us please give us a call as soon as you can. The more information we get now the quicker we will catch those responsible."
Anyone with information is urged to contact Nottinghamshire Police on 101, quoting incident number 33 of 19 September 2018. If you want to give information anonymously, call 0800 555 111.