Wrong-way traffic accident at City Hall Station leaves 9 dead... Mystery of ”sudden acceleration” = Korea

This week, a major traffic accident occurred near Seoul City Hall Station in South Korea, killing nine people. A Genesis G80 driven by a driver in his late 60s drove the wrong way down a one-way street, crashing into a sidewalk and hitting a pedestrian.
Nine people were killed. The driver, Mr. Cha (68), claims that the car accelerated suddenly, and the police are investigating. On the 1st, at around 9:28 pm, a Genesis G80 vehicle ran into the sidewalk on Taepyeong-ro, Jung-gu, Seoul.
The car then ran into the road, killing nine pedestrians and injuring seven. Police have charged the driver, Mr. Cha, with professional negligence resulting in death or injury under the Special Act on Traffic Accident Processing.
Cha was hospitalized with broken ribs, and the first investigation into the suspect took place on the 4th, three days after the accident.
The suspect claims that he made a sudden start, and the passenger also told police that he did not apply the brakes.
The suspect was investigated under the supervision of the police and claimed that the sudden start was due to an abnormality in the vehicle. The police asked the National Forensic Service to examine Cha's car, but the analysis of the EDR (Electrical Discharge Recorder)
It usually takes about two months to determine whether the driver stepped on the accelerator or the brakes. Police are investigating the surrounding security facilities, including the hotel where Cha was staying before the accident.
The police are analyzing camera footage and other sources to understand the circumstances surrounding the accident. Cha's car left the underground parking lot of the Chosun Hotel and drove down a one-way street in the wrong direction, hitting a pedestrian and two cars, a BMW and a Sonata.
It appears that Cha's car accelerated after leaving the hotel. It remains to be determined why Cha's car went the wrong way and hit the sidewalk.
The police say they will conduct additional investigations to clarify the exact cause of the accident.