CHICAGO (CBS) — A 12-year-old girl was killed early Monday, when she was thrown from the cab of a semi-trailer truck as it rolled over in northwest suburban Pingree Grove, according to police.

Police said Dior Turner, of South Bend, Indiana, was driving a semi-trailer truck west on U.S. Route 20, when it left the road at Reinking Road, and rolled on its side around 5:15 a.m.

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Turner’s daughter, 12-year-old Dahabrielle Turner, was riding with him at the time, and was ejected from the truck, according to police. She was pronounced dead at the scene.

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Dior Turner was taken to St. Joseph’s Hospital in Elgin with minor injuries. Condition information was not immediately available.

The truck damaged several utility poles and a guardrail, but no other vehicles were involved in the crash.

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Police said the cause of the crash was under investigation.