Four people were killed and at least 21 others were wounded in a mass shooting Saturday night in Birmingham, Alabama.Two men and a woman were killed at the scene in the 2000 block of Magnolia Avenue in the Five Points South area near the University of Alabama at Birmingham, while a fourth victim died at the university’s hospital, Birmingham Police told AL.com.The incident happened shortly after 11 p.m., Officer Truman Fitzgerald told the outlet.ALABAMA WOMAN’S 18-YEAR ODYSSEY ON THE RUN ENDS WITH HER ARREST ON 88 OUTSTANDING WARRANTS Four people were killed and at least 21 others were wounded in a mass shooting Saturday night in Birmingham, Alabama. (iStock)Birmingham Fire and Rescue transported eight victims to the hospital, and police said four of those victims sustained life-threatening wounds.Many others also arrived at hospitals in private vehicles. No suspects have been taken into custody. (Getty Images)Police say multiple gunmen are believed to be responsible for the shooting. No suspects have been taken into custody.”Rest assured, we are going to do everything we possibly can to uncover, identify and hunt down whoever was responsible for preying on our people,” Fitzgerald told AL.com.7 MIDDLE, HIGH SCHOOL DEATHS IN A MONTH PROMPT WARNINGS: ‘PROTECT YOUR KIDS’ The shooting happened in the 2000 block of Magnolia Avenue in the Five Points South area. (Getty Images)CLICK HERE TO GET THE FOX NEWS APPStreets have been blocked off in the area as police continue to investigate.Fitzgerald said police have reached out to the FBI and ATF for assistance.