The early Thursday morning fight in Union Square was apparently set off by a diss. The Post reports that the victims were all affiliated with gangs and the "violence appeared to have stemmed from a show of 'disrespect.'"

The police confirmed that a fight did occur at the McDonald's at East 17th Street and Broadway, but it's still unclear if that fight continued on into the park, where a gunman later fired, injuring four people. Another teen was stabbed during the chaos. With a Halloween party being held at Union Square eatery Luna Park, many people fled the scene upon hearing the gunfire.

The police said that the victims, males who are 15 to 19 years old, all have arrest records and all claim not to know the other victims, according to the Daily News. Police Commissioner Kelly said that one of the teens who was shot in the stomach is "likely" to die.

Graphic from WNBC