Three people have been arrested after a man was assaulted in Derbyshire.
Police are investigating reports that a 23-year-old man suffered a puncture wound to his back during the incident, which happened at around 11.45pm on Wednesday, November 6 in North Street.
Two teenage boys aged 16 and 17 have been arrested in connection with the incident along with a 28-year-old man.
They have been released under investigation while inquiries continue.
Witnesses or anyone with information should contact PC Craig Chidlow on 101, quoting reference 19*595574.
You can also call Crimestoppers anonymously on 0800 555 111.