A bus carrying 46 people flipped on its side on a highway in Daejeon early Sunday, killing four people and injuring 22 people including the driver, the police said. 

The number of casualties may increase, the police said, as eight of them are seriously injured.  A firefighter examines the accident scene on Gyeongbu Expressway near Daejeon on Sunday. (Yonhap)The police think the bus driver tried to avoid a car that cut into its lane, then hit the guard rail and the median strip before the bus rolled over onto its side at around 9:30 a.m.

Onboard the vehicle were members of an alpine club heading toward Mount Daedun in South Chungcheong Province from Suwon, Gyeonggi Province, to see autumn foliage.
Rescuers help the injured at the accident scene on Gyeongbu Expressway near Daejeon on Sunday. (Yonhap)“The bus suddenly moved in a zig-zag pattern and turned over,” Lee, one of the survivors, said.

The 70-year-old added, “It was chaotic, with the car seats damaged and people falling on top of each other. I was hanging onto the safety belt until rescuers came.”

By Jo He-rim(herim@heraldcorp.com)