A man died following a three-vehicle crash on I-255 northbound near Dupo.
Illinois State Police said the crash occurred shortly before 5:30 p.m. at milepost 11.5 (McBride Avenue) in St. Clair County.
ISP said a red 2013 Ford F150 driven by Ali Abusharif, 50, of Belleville, was driving in lane No. 1 and went into lane No. 2, striking a black 2012 GMC Sierra. The Ford then when into lane No. 3, striking a 2014 silver Lincoln MKX before veering off the roadway to the right and down into an embankment.
Abusharif was transported to an area hospital, where he was later pronounced deceased.
The other drivers, a 30-year-old man from Mascoutah and a 65-year-old man from Delray Beach, Fla., and their passengers were uninjured, police said.
The Dupo and Prairie du Pont fire departments were among the emergency agencies responding to the crash.
It is believed Abusharif sustained some sort of medical emergency that resulted in his vehicle starting this crash.