Police respond to Six Flags Great America in Gurnee Sunday for multiple fights in the park. | Photo: Megan Brooks (via Facebook).

During the fights that broke out inside Six Flags in Gurnee on Sunday, at least four people were injured and a suspect reportedly used pepper spray on people, sources said.

The Gurnee Police Department responded around 7:00 p.m. Sunday to Six Flags Great America, 1 Six Flags Parkway in Gurnee, for a report of disturbances.

Gurnee Police Department Public Information Officer Shawn Gaylor said arriving officers located a large group of people actively fighting.

Officers requested multiple police agencies along with the Lake County Sheriff’s Office to help contain the situation.

Sources told Lake and McHenry County Scanner that multiple fights occurred in the park. During one of the fights, someone used pepper spray on a crowd of people.

One of the fights involved people from Zion and the other fights involved people from Chicago, the sources said.

Police claimed there were no injuries; however, sources said that at least four people were treated by paramedics, including one victim who sustained a significant laceration and required stitches.

Officers took several adult suspects into custody, Gaylor said, calling the incidents “isolated events” and saying they remain under investigation.

Additional officers remained at the park for the rest of the evening as a precautionary measure.

Detectives are continuing their investigation into what caused the disturbances.

“Six Flags is a great attraction within our community, and families should feel safe when visiting Gurnee and the surrounding amenities,” Gurnee Police Chief Brian Smith said.

“During this incident, it was our priority to secure the area and make it a safe environment for all visitors and employees. I am thankful for the rapid response from our officers and Lake County Deputies to de-escalate the situation and restore calm within the area,” Smith said.

Smith added that Gurnee police officers are stationed at the park every day in partnership with Six Flags.

Police have not yet released the names of the suspects arrested or said if they have been charged yet.