According to CBS, citing a local police sergeant, the incident occurred around midnight on Highland Avenue.
According to eyewitnesses, it all started with a quarrel during a party, which turned into a shooting.
At first, the shootout was conducted indoors, later the shooters moved to the parking lot.
Some of the victims got to medical facilities on their own, some were hospitalized in ambulances.
The victim was 20-year-old local resident Allen Graham.
Earlier, five people were injured in a shooting near the Temple University campus in Philadelphia, Pennsylvania.
One of them received 14 gunshot wounds.