GURNEE, Ill. (CBS 58) -- Police confirm that three people were shot in the front entrance parking lot at Six Flags Great America in Gurnee, Illinois.

Two people are hospitalized. One person declined treatment.

Police say they do not believe this is an active shooter incident.

Officials also say the shots were fired from a single car -- and that car immediately drove away.

Several ambulances have been called to the scene -- and people have posted to Twitter that the park has been evacuated.

We'll keep monitoring this breaking story -- and update you as we learn more.