Ten rear-end collisions around Cheongbuk IC on Pyeongtaek Jecheon Expressway...Four people injured.

Ten cars hit one after another around Cheongbuk IC in the direction of Jecheon on Pyeongtaek Jecheon Expressway around 10:30 a.m. today.

has been taken to a nearby hospital after 4 people were injured in the accident.

The handling of the accident once blocked the highway in the direction of Jecheon.

The informant told YTN that the car in front of him turned on the emergency light, but he didn't see it and the cars behind him hit him one after another.

Police say they are investigating the exact cause, saying the 4.5-ton truck crashed into the car in front of it for unknown reasons.