Police ask public to please stay out of the area.
Expo has been shut down.
The investigation is still ongoing.
No survivors have been located as of Saturday morning, the authorities said.
The man is armed and dangerous and assaulted an officer of the law.
The death is being investigated as a homicide by the Berkeley County Coroner's Office and the Goose Creek Police Department.
Individuals with any pertinent information regarding this incident are urged to reach out to the Harrisburg Police at 717-558-6900.
Results indicate this is a justified shooting, and there are no charges at this time.
Subsequently, a 27-year-old suspect was apprehended in connection with the shooting.
No survivors located at this time.