A fatal crash where one person died and an airlift was called for another person occurred in LaSalle County near Matthiessen State Park on Monday afternoon.
Illinois State Police have confirmed that one person is deceased and that the LaSalle County Coroner's Office was called to the scene. The individual deceased has not been further identified at this point.
Officials say the deceased was pronounced dead at 4:15 p.m.
Authorities responded around 3:20 p.m. to the west side entrance which is on Route 178 where authorities say a vehicle and semi were involved in a crash, where the driver of the vehicle had been leaving the entrance and was struck by the semi.
Officials say an occupant of the vehicle is the deceased and another occupant was air lifted to a Peoria hospital. A third passenger was taken to Illinois Valley Community Hospital in Peru.