An arrest was made in a fatal shooting on I-80 near New Lenox, Illinois State Police said.Officers responded to the I-80 westbound entrance to I-355 near New Lenox at 5:30 p.m. Monday for a call of a shooting on the expressway and found a victim who was taken to a nearby hospital with “life-threatening injuries,” police said. The victim later died.A person of interest was taken into custody, police said. The incident is under investigation.