A seven-vehicle collision occurred on the Pyeongtaek-Jecheon Expressway near Namanseong IC in Anseong, South Korea, at approximately 12:25 PM KST on Wednesday. The accident took place on the Jecheon-bound side of the highway, specifically in the second lane. Three individuals sustained injuries, categorized as serious or moderate. The driver of the initial vehicle involved, a 50-year-old man identified as A, is among those injured. Authorities are investigating the cause of the pile-up, which caused significant traffic disruption. Further details regarding the extent of the injuries and the specific circumstances leading to the crash are currently under investigation.