At around 4:43 pm on the 9th, at 4:43 pm in Gyeongbu Expressway in Gyeonggi-si, Gyeonggi-do, a four-tailed collision collided with tourist buses, school buses, passenger cars and SUVs.

In this accident, a 56-year-old male driver of a bus driver was seriously injured and moved to a nearby hospital. 21 students, including school bus students, received medical treatment at the hospital.

Police said they were investigating the precise accident when one bus of a passenger car intercepted a bus and a tourist bus suddenly braked and a school bus that followed did not escape, leading to a chain reaction.