Passengers attempt to open emergency doors on plane preparing to depart... No injuries reported (Gwangju, South Korea)

At Gwangju Airport in South Korea, a commotion occurred when a passenger tried to force open the emergency door of a passenger plane. According to Gwangju Airport, the incident occurred at around 7:10 pm on the 19th at Jeju Airport.
An incident occurred on a passenger plane preparing to depart the port when a passenger tried to force open the emergency door. Fortunately, the incident was resolved before the plane could take off, and no one was injured.
However, the departure was delayed by about an hour, affecting other passengers. Gwangju Airport is currently investigating the exact circumstances of the incident with the passenger in question. The passenger mistakenly believed that there was a passenger cabin beyond the emergency door.
It was found that he had stated: