Butler Township police are investigating a suspected assault Monday night in the parking lot of a bar that left a 28-year-old man in need of treatment at a Pittsburgh hospital.

The victim suffered injuries that included a black eye, a cut to the back of the head and a small puncture wound in his back that may have been inflicted by an object other than a knife, police Lt. Matthew Pearson said Tuesday.

The man was flown by medical helicopter to UPMC Presbyterian hospital, where he was treated and released only a few hours after the assault outside Rock Ann Haven on Greenwood Drive.

Police did not release the victim's name. Pearson said they have no suspects and the investigation is ongoing.

This is an excerpt from a larger article that appears in Wednesday's Butler Eagle. Subscribe online or in print to read the full article.