Police are appealing for information after a man was found unconscious in his car in Denby suffering from a puncture wound.
Emergency services were called to a 4x4 parked outside the One Stop Shop, Derby Road at 10am on Friday, May 25.
Concerned members of the public had seen the man in the car apparently asleep for more than an hour.
A 50-year-old man was found unconscious and suffering from a puncture wound to his back.
He was taken to the Royal Derby Hospital where he is currently in a stable condition.
Police are appealing for witnesses who were in the area at the time.