Troopers said a semi-truck was involved in the collision.

Pulaski County, IL. – One person was flown to the hospital after a multi-vehicle accident on Thursday night in Pulaski County, according to the Illinois State Police.
The accident occurred at about 9:39 p.m. on June 18, on southbound I-57 around milepost 8.
Troopers said a semi-truck was one of the vehicles involved in the collision.
One person was flown to the hospital for treatment.
Troopers diverted southbound traffic off at milepost 16 and one lane reopened at about 4:39 a.m. The roadway reopened a while after 6:00 a.m. on Friday.
No additional information concerning this collision was released.
An investigation is underway.
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