LASALLE COUNTY ( 25News Now ) - A Putnam County man died earlier this week in a fiery two-vehicle crash on Interstate 39.

LaSalle County Coroner Richard Ploch said 29-year-old Robert Haig of Magnolia died in Monday night’s crash.

The crash happened around 7:30 p.m. on Interstate 39 Southbound, between Oglesby and Tonica.

The driver of the other vehicle was lifeflighted to OSF St. Francis Medical Center in Peoria. Their condition is unknown.

Autopsy results are pending, and further forensic and toxicology testing is pending the final outcome.

The crash remains under investigation by the Illinois State Police and the LaSalle County Coroner.

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