TRENTON — Four people were struck by gunfire from a group of people riding ATV's  and dirt bikes, one of which that ran over a 7-year-old boy on Saturday night.

The riders were arguing and firing guns at each other as they rode along Union Avenue near Cooper Pool around 9 p.m  police told NJ.com. Two men and two women standing with a group of people were injured by gun fire.

Police believe someone from the group may have returned fire, according to the news site.

The boy was struck by one of the vehicles, according to police. He was hospitalized for minor injuries.

Trenton Police have not yet returned a message seeking comment on the incident.

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