The incident occurred at 47 Rutgers Ave. around 9:10 p.m., developing reports say.
Nearly a dozen shots were fired, radio transmissions say. Unconfirmed reports say the boy was shot in the leg.
Three hours prior, two victims were shot on Bright Street and suffered non life-threatening injuries, sources say.
This is a developing story. Check back for more.
Click here to follow Daily Voice Jersey City and receive free news updates.