Paramedics were dispatched to the scene in the 6900 block of Campus Drive at 1:48 a.m., said Orange County Fire Authority Capt. Shane Sherwood.
Two victims were rushed to UCI Medical Center. Another man was sent to Western Medical in Santa Ana and a fourth victim was taken to Mission Hospital in Mission Viejo, Sherwood said.
A watch commander at the Buena Park Police Department could not be reached for immediate comment.
Copyright 2015 FOX 11 Los Angeles | Download our mobile app for breaking news alerts or to watch FOX 11 News | Follow us on Facebook , Twitter and YouTube.