By CBS 2 Chicago Staff

CHICAGO (CBS)– One person was seriously injured in a crash involving two semi trucks on I-294 at 79th Street.

According to Illinois State Police, a semi truck was rear ended by another semi truck just before 4 a.m. Tuesday. A person had to be removed from one of the trucks and is now suffering life-threatening injuries.

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Two northbound lanes are closed at 79th Street as crews work to clear the crash. Delays are expected.

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Traffic is being diverted at 95th Street.

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This is a developing story.

CBS 2 Chicago Staff