9 Wounded In Shooting In Providence, RI

Nine people were injured in a shooting incident last night, with three in serious or critical condition. The event involved a car driving up to a home and opening fire, with someone inside the home firing back. Dozens of shots were exchanged. The groups involved are known to law enforcement, and the incident is linked to an ongoing feud. The victims are aged between 19 and 25.

What triggered the shooting incident according to the officials?

What age range do the victims fall into?