A 12-year-old boy was pinned under the Prius, which firefighters had to lift up with air bags to free him, according to the /*Orange County Fire Authority*/.
The boy was rushed to UC Irvine Medical Center in Orange in critical condition.
Another 12-year-old boy was sent to Western Medical Center in Santa Ana in critical condition.
A 7-year-old boy suffered minor injuries, and a 11-year-old boy was released to his parent on the scene.
A 19-year-old woman, who was driving one of the vehicles, was taken to Western Medical Center, but the severity of her injuries was unclear.
The incident was reported at 2:24 p.m. The collision took place near Golden Elementary School.
City News Service contributed to this report.