Five children were among seven killed Sunday in McHenry County after two vehicles collided on Interstate 90, according to Illinois State Police.
A vehicle was reportedly driving the wrong way when it struck another one at approximately 2:11 a.m. near the village of Hampshire, according to police. Both vehicles burst into flames upon impact.
A women and five children inside the van died in the collision, as did a woman who was in the other vehicle, police said.
Police also reported that one person with severe injuries was airlifted to a hospital nearby.
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A portion of westbound I-90 was closed for hours as authorities worked on scene.
None of the victims had been identified as of late Sunday. The cause of the crash remains under investigation.