The incident occurred after a fight erupted outside the restaurant hosting the post-concert event.
Police confirmed to EW that the victims were hospitalized after being struck by bullets.
They are currently in stable condition.
Justin Bieber.Jeff Kravitz/Getty Images
Black can be seen in the fight that took place moments before shots were fired.
The clip does not show how the fight broke out.
EW has reached out to representatives for all four musicians for comment.
No suspect is currently in custody.
