Police: 4 people shot in the Bronx, teenager in critical condition

Police say four people, including two teenagers, were shot in Allerton Wednesday night. 
Police tell News 12 that a teenager is in critical condition. They say the incident happened at around 5 p.m. near 815 Burke Ave. 
They say a black SUV came eastbound and two people started shooting before pulling a U-turn. 
Police say dozens of shots were fired. Officials tells News 12 an 18-year-old, who was struck in the head, was taken to NYC Health + Hospitals/Jacobi. 
That 18-year-old is in critical condition. A witness tells News 12 he was seen screaming with blood over his face.
Police tell News 12 an imitation pistol was found near him. 
The other three victims are expected to be OK, according to police, which includes a 15-year-old boy who was shot in the leg. 
There is no confirmation on whether those two were the intended target. News 12 is told the other two victims, a 26-year-old man and a 59-year-old woman were not who the suspects were aiming for. 
Police say two suspects are on the loose. The entire incident was caught on surveillance.