WILLIAMSON COUNTY – A semi fire delayed traffic on northbound I-57 in Williamson County for several hours Thursday morning.

According to a release from Illinois State Police (ISP), the incident occurred about ten miles south of Marion around 11 a.m. Traffic was backed up in the northbound lanes spanning 3-4 miles.

ISP and several local fire crews were called to the scene. There’s currently no indication of what caused the fire.