Crime Search Underway for Suspect After 3 People Shot at Pennsylvania Amusement Park Police are looking for a suspect who reportedly shot three people at Kennywood amusement park in West Mifflin By Brenton Blanchet Brenton Blanchet Brenton Blanchet is a writer-reporter at PEOPLE. He has been working at PEOPLE since 2022. Brenton's work has previously appeared in Billboard, Pigeons & Planes and Complex. People Editorial Guidelines Published on September 25, 2022 12:24PM EDT Photo: Gene J Puskar/AP/Shutterstock Three people were shot at a popular Pennsylvania amusement park on Saturday night following an altercation between two groups of teenagers, according to Allegheny County Police. The shooting took place at Kennywood amusement park in West Mifflin, where the three people — two 15-year-old boys and one 39-year-old man — were reportedly injured from gunshot wounds Saturday night. Allegheny County Police shared in a Sunday news release that the shooting followed an altercation in front of the park's Musik Express ride, and that multiple agencies responded around 10:49 p.m. Alabama Grandfather Charged After 2-Year-Old Dies from Being Left in Hot Car: 'It's Awful' One 15-year-old was shot in the thigh and is still at a hospital, per the ACP, whereas the 39-year-old was hit in the leg and released following treatment and the other teen is hospitalized with a graze wound and in stable condition. Others were reportedly treated for "trample" injuries following the events at the amusement park, County Superintendent Christopher Kearns reportedly said during a news conference shared by Pittsburgh Post-Gazette journalist Hannah Wyman. "The shooting was proceeded by an altercation between two groups of teenage males," Kearns said. "During the altercation, at least one party produced the gunfire and two shots were fired." Police say they recovered a handgun inside the park. The search for the suspect is ongoing. A video from one Twitter user showed police and emergency vehicles surrounding the park following the shooting. "Most everyone ran," one man who saw the shooting told WTAE's Mike Valente. "A hundred people just ran out of the park. As soon as everyone heard 'gun,' people just ran and ran and ran." 2 Michigan Teen Girls Are Killed — Police Say Shooting Was Retaliation Stemming from Recent Slayings Gene J Puskar/AP/Shutterstock Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases. On early Sunday morning, Kennywood alerted on Twitter that the park was closed for the night and that "all guests have exited" after the shooting took place on what was the first night of the park's Phantom Fall Fest, per WTAE. "We are aware of a situation that occurred this evening and are working with local law enforcement. The safety of our guests and Team Members is our top priority," Kennywood shared. "Members of the park's security, Allegheny County, and West Mifflin police departments were already on site and immediately responded."